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Higher Maths Stars
Order
Ruby
Emerald
Amethyst
Sapphire
Opal
Diamond
Plutonium
Ruby Star 15 minutes
Name _______________
1 (9 x 3) + 6 28 6/7 of 35
2 (8 x 4) + 8 29 4/7 of 28
3 (6 – 4) x 9 30 2/3 of 27
4 8 + (7 x 8) 31 2/9 of 18
5 23 – (3 x 6) 32 2/5 of 25
6 (7 x 7) – (4 x 3) 33 4/9 of 36
7 82 – (7 x 6) 34 4/11 of 44
8 34 – (5 x 3) 35 852 ÷ 6
9 (4 x 9) + 52 36 1974 ÷ 6
10 (3 x 8) - ? = 14 37 3808 ÷ 8
11 (9 x 6) - 13 38 2133 ÷ 9
12 (8 x 4) + (3 x 6) 39 3822 ÷ 7
13 4 - 7 40 14 x 5
14 9 - ? = - 12 41 16 x 6
15 5 - 11 42 17 x 4
16 14 – 30 43 12 x 6
17 1 ½ - 2 ½ 44 19 x 7
18 9 – 12.5 45 13 x 6
19 3 - 19 46 24 x 5
20 5 – 3 - 4 47 16 x 8
21 13 - ? = -18 48 26 x 3
22 -5 + 12 = 49 43 x 4
23 -3 +22 = 50 64 x 5
24 -4 + ? = 16
25 2/7 of 21
26 3/5 of 15
27 ¾ of 16
Ruby Star 15 minutes
Key skills
Calculations that use brackets
Adding and subtracting using negative numbers
Calculating fractions of numbers
Multiplying numbers greater than 10
Dividing large numbers by numbers less than 10
(Revised 3/2018)
Ruby Star 15 minutes (answers)
Name _______________
1 (9 x 3) + 6 33 28 6/7 of 35 30
2 (8 x 4) + 8 40 29 4/7 of 28 16
3 (6 – 4) x 9 18 30 2/3 of 27 18
4 8 + (7 x 8) 64 31 2/9 of 18 4
5 23 – (3 x 6) 5 32 2/5 of 25 10
6 (7 x 7) – (4 x 3) 37 33 4/9 of 36 16
7 82 – (7 x 6) 40 34 4/11 of 44 16
8 34 – (5 x 3) 19 35 852 ÷ 6 142
9 (4 x 9) + 52 88 36 1974 ÷ 6 329
10 (3 x 8) - ? = 14 10 37 3808 ÷ 8 476
11 (9 x 6) - 13 41 38 2133 ÷ 9 237
12 (8 x 4) + (3 x 6) 50 39 3822 ÷ 7 546
13 4 - 7 -3 40 14 x 5 70
14 9 - ? = - 12 21 41 16 x 6 96
15 5 - 11 -6 42 17 x 4 68
16 14 – 30 -16 43 12 x 6 72
17 1 ½ - 2 ½ -1 44 19 x 7 133
18 9 – 12.5 -3.5 45 13 x 6 78
19 3 - 19 -16 46 24 x 5 120
20 5 – 3 - 4 -2 47 16 x 8 128
21 13 - ? = -18 31 48 26 x 3 78
22 -5 + 12 = 7 49 43 x 4 172
23 -3 +22 = 19 50 64 x 5 320
24 -4 + ? = 16 20
25 2/7 of 21 4
26 3/5 of 15 9
27 ¾ of 16 12
Emerald Star 20 minutes Name ____________ 1 The range of
65, 37, 84
28 9/7 of 35
2 The range of
26, 3, 19, 25
29 8/7 of 28
3 The range of
69, 25, 41, 28
30 5/3 of 27
4 The range of
7, 6, -8, 12
31 8/5 of 15
5 The mean of
32, 12, 25
32 Split 25 in the ratio
2:3
6 The mean of
53, 14, 29
33 Split 49 in the ratio
3:4
7 The mean of
12, 7, 17
34 Split 72 in the ratio
5:7
8 The mean of
45, 7, 32
35 Split 81 in the ratio
7:2
9 The mode of
2,1,3,5,6,4,1
36 Split 64 in the ratio
5:3
10 The mode of
0,3,5,1,5,1,3,3
37 82 - 32
11 62 38 52 - 22
12 92 39 62 - √81
13 112 40 152 - √64
14 √144 41 122 - √49
15 √64 42 92 - √121
16 √16 43 33
17 √1 44 What are the
factors of 25?
18 √400 45 What are the
factors of 19?
19 The median of
12,15, 18,21,24
46 What are the
factors of 64?
20 The median of
6,4,9,7,8
47 What are the
factors of 24?
21 The median of
2,29,31,17,4
48 What are the
factors of 54?
22 The median of
45,55,35,25,65,15
49 What are the
factors of 36?
23 20% of 30 50 What are the
factors of 68?
24 60% of 80
25 40% of 25
26 45% of 50
27 80% of 70
Emerald Star 20 minutes
Key skills
Mean, Mode, Range, Median
Squares and square roots
Percentages of whole numbers
Ratio
Factors
Emerald Star 20 minutes Answers 1 The range of
65, 37, 84
47 28 9/7 of 35 45
2 The range of
26, 3, 19, 25
23 29 8/7 of 28 32
3 The range of
69, 25, 41, 28
44 30 5/3 of 27 45
4 The range of
7, 6, -8, 12
20 31 8/5 of 15 24
5 The mean of
32, 12, 25
23 32 Split 25 in the ratio
2:3
10:15
6 The mean of
53, 14, 29
32 33 Split 49 in the ratio
3:4
21:28
7 The mean of
12, 7, 17
12 34 Split 72 in the ratio
5:7
30:42
8 The mean of
45, 7, 32
28 35 Split 81 in the ratio
7:2
63:18
9 The mode of
2,1,3,5,6,4,1
1 36 Split 64 in the ratio
5:3
40:24
10 The mode of
0,3,5,1,5,1,3,3
3 37 82 - 32 15
11 62 36 38 52 - 22 21
12 92 81 39 62 - √81 27
13 112 121 40 152 - √64 217
14 √144 12 41 122 - √49 137
15 √64 8 42 92 - √121 70
16 √16 4 43 33 27
17 √1 1 44 What are the
factors of 25?
1, 5, 25
18 √400 20 45 What are the
factors of 19?
1,19
19 The median of
12,15, 18,21,24
18 46 What are the
factors of 64?
1,2,4,8,16,
32,64
20 The median of
6,4,9,7,8
7 47 What are the
factors of 24?
1,2,3,4,6
8,12,24
21 The median of
2,29,31,17,4
17 48 What are the
factors of 54?
1,2,3,6,9,
18,27,54
22 The median of
45,55,35,25,65,15
40 49 What are the
factors of 36?
1,2,3,4,6,9,
12,18,36
23 20% of 30 6 50 What are the
factors of 68?
1,2,4,17,34,
68
24 60% of 80 48
25 40% of 25 10
26 45% of 50 22.5
27 80% of 70 56
Amethyst Star 20 minutes Name ____________ 1 30% of 90 24 4/13 of 52
2 70% of 80 25 8/14 of 42
3 15% of 60 26 2/15 of 75
4 45% of 120 27 6/16 of 64
5 35% of 40 28 Split 81 in the ratio 5:4
6 24% of 200 29 Split 84 in the ratio 3:4
7 53% of 300 20 Split 96 in the ratio 5:3
8 62% of 500 31 Split 132 in the ratio 5:7
9 √144 + 19 32 Split 184 in the ratio 1:7
10 33 + 42 33 13 x 14
11 105 - 43 34 41 x 16
12 √121 x 15 35 19 x 15
13 53 - 35 36 13 x 16
14 √169 x 7 37 252 ÷ 12
15 √81 x 8 38 396 ÷ 18
16 0.3 x 16 39 552 ÷ 23
17 0.7 x 14 40 I think of a number. I multiply it
by 9, add 7 and halve it. My
answer is 26, what is my number?
18 32 x 0.06 41 I think of a number. I divide it by
3, add 3 and multiply it by 8. The
answer is 80, what is my number?
19 0.9 x 21 42 I think of a number. I double it,
multiply it by 7 and then take off
45. The answer is 11. What is my
number?
20 23 x 0.8 43 I have a length of ribbon that is
126 cm long. I cut it so that one
piece is 14 cm longer than the
short one. How long is the short
piece?
21 What is the volume of
a cuboid
3cm x 6cm x 8cm?
44 I have a piece of string that is
242 cm long. I cut it so that one
piece is 30 cm longer than the
short one. How long is the short
piece?
22 What is the volume of
a cuboid
4cm x 7cm x 6cm?
45 I cut a piece of ribbon into 3
strips. One is 26 cm long, one is
7cm shorter and one is the same
length as the other 2 added
together. How long is the longest
ribbon?
23 What is the volume of
a cuboid
9cm x 6cm x 11cm?
Amethyst Star 20 minutes
Key skills
Squares and square roots
Percentages of whole numbers
Ratio
Volume
Multiplication by numbers between 10 – 20
Reasoning
Amethyst Star 20 minutes Answers 1 30% of 90 27 24 4/13 of 52 16
2 70% of 80 56 25 8/14 of 42 24
3 15% of 60 9 26 2/15 of 75 10
4 45% of 120 54 27 6/16 of 64 24
5 35% of 40 14 28 Split 81 in the ratio 5:4 45:36
6 24% of 200 48 29 Split 84 in the ratio 3:4 36:48
7 53% of 300 159 20 Split 96 in the ratio 5:3 60:36
8 62% of 500 310 31 Split 132 in the ratio 5:7 55:77
9 √144 + 19 31 32 Split 184 in the ratio 1:7 23:161
10 33 + 42 69 33 13 x 14 192
11 105 - 43 41 34 41 x 16 656
12 √121 x 15 165 35 19 x 15 285
13 53 - 35 90 36 13 x 16 208
14 √169 x 7 91 37 252 ÷ 12 21
15 √81 x 8 72 38 396 ÷ 18 22
16 0.3 x 16 4.8 39 552 ÷ 23 24
17 0.7 x 14 9.8 40 I think of a number. I multiply it
by 9, add 7 and halve it. My
answer is 26, what is my number?
5
18 32 x 0.06 1.92 41 I think of a number. I divide it
by 3, add 3 and multiply it by 8.
The answer is 80, what is my
number?
21
19 0.9 x 21 18.9 42 I think of a number. I double it,
multiply it by 7 and then take off
45. The answer is 11. What is my
number?
4
20 23 x 0.8 18.4 43 I have a length of ribbon that is
126 cm long. I cut it so that one
piece is 14 cm longer than the
short one. How long is the short
piece?
56cm
21 What is the volume
of a cuboid
3cm x 6cm x 8cm?
144cm3 44 I have a piece of string that is
242 cm long. I cut it so that one
piece is 30 cm longer than the
short one. How long is the short
piece?
106cm
22 What is the volume
of a cuboid
4cm x 7cm x 6cm?
168cm3 45 I cut a piece of ribbon into 3
strips. One is 26 cm long, one is
7cm shorter and one is the same
length as the other 2 added
together. How long is the longest
ribbon?
45cm
23 What is the volume
of a cuboid
9cm x 6cm x 11cm?
594cm3
Sapphire Star 20 minutes Name ____________ 1 43 - 72 24 23 x 13
2 53 + 17 25 43 x 15
3 152 + 16 26 92 x 12
4 21 + √361 27 46 x 16
5 142 - 32 28 253 x 18
6 122 + 132 29 Split 42 in the ratio
2:4:1
7 182 - 24 30 Split 81 in the ratio
3:5:1
8 √169 + 28 31 Split 132 in the ratio
4:5:2
9 √289 + 39 32 Split 324 in the ratio
4:3:2
10 6/7 + 3/5 33 Split 152 in the ratio
6:1:1
11 4/5 + 7/9 34 What are the common
factors of 42 and 18?
12 2/9 + 3/8 35 What are the common
factors of 80 and 32?
13 5/12 + 5/14 36 What are the common
factors of 54 and 21?
14 1/7 + 7/12 37 What are the common
factors of 132 and 44?
15 6/19 + 2/15 38 What are the common
factors of 31 and 124?
16 35% of 240 39 What is halfway
between 113 and 77?
17 45% of 320 40 What is halfway
between 125 and 63?
18 65% of 260 41 What is halfway
between 163 and 59?
19 42% of 250 42 What is halfway
between 109 and 38?
20 85% of 150 43 What is halfway
between 153 and 48?
21 32% of 300 44 What is halfway
between 918 and 286?
22 44% of 450 45 What is halfway
between 515 and 377?
23 26% of 150
Sapphire Star 20 minutes
Key skills
Squares and square roots of numbers up to 20
Finding the common denominator of fractions
Percentages of whole numbers
Ratio
Common factors
Finding half the difference between numbers
Sapphire Star 20 minutes Answers 1 43 - 72 15 24 23 x 13 299
2 53 + 17 142 25 43 x 15 645
3 152 + 16 241 26 92 x 12 1104
4 21 + √361 40 27 46 x 16 736
5 142 - 32 164 28 253 x 18 4554
6 122 + 132 313 29 Split 42 in the ratio
2:4:1
12:24:
6
7 182 - 24 300 30 Split 81 in the ratio
3:5:1
27:45:9
8 √169 + 28 41 31 Split 132 in the ratio
4:5:2
48:60:
24
9 √289 + 39 56 32 Split 324 in the ratio
4:3:2
144:108:
72
10 6/7 + 3/5 51/35 33 Split 152 in the ratio
6:1:1
114:19:
19
11 4/5 + 7/9 71/45 34 What are the common
factors of 42 and 18?
1,2,3,6
12 2/9 + 3/8 43/72 35 What are the common
factors of 80 and 32?
1,2,4,8,
16
13 5/12 + 5/14 130/168 36 What are the common
factors of 54 and 21?
1,3
14 1/7 + 7/12 61/84 37 What are the common
factors of 132 and 44? 1,2,4,11,
44
15 6/19 + 2/15 128/285 38 What are the common
factors of 31 and
124?
1,31
16 35% of 240 84 39 What is halfway
between 113 and 77?
95
17 45% of 320 144 40 What is halfway
between 125 and 63?
94
18 65% of 260 169 41 What is halfway
between 163 and 59?
111
19 42% of 250 105 42 What is halfway
between 109 and 38?
73.5
20 85% of 150 127.5 43 What is halfway
between 153 and 48?
100.5
21 32% of 300 96 44 What is halfway
between 918 and 286?
602
22 44% of 450 198 45 What is halfway
between 515 and 377?
446
23 26% of 150 39
Opal Star 20 minutes Name ____________
1 962 - 365 16 0.5 x 0.08
2 428 - 130 17 0.7 x 0.8
3 857 - 568 18 0.09 x 0.4
4 2137 - 1140 19 1.5 x 0.06
5 9006 - 896 20 0.5 x 0.018
6 564 + 378 21 -7 x 62
7 265 + 438 22 36 x -6
8 706 + 239 23 15 x -12
9 658 + 897 24 -24 x -16
10 769 + 389 25 -41 x -66
11 21.06 + 0.056 26 -702 ÷ 13
12 31.9 + 274.56 27 -624 ÷ 16
13 1.838 – 0.0028 28 -1548 ÷ -18
14 510.6 – 235. 8 29 1292 ÷ -17
15 11.92 – 5.8 30 -1786 ÷ -19
Start
with
21
2/7 of
this
x 7 ÷3 +107 Square
root
of
-15 x 2 + 47 Your
answer
Start
with
14
Times
by
itself
-98 ÷2 x 5 -65 ÷100 +4.2 x15 Your
answer
Start
with
7.5
Multiply
by 8
30%
of
Multiplied
by itself
- 60 Divide
by 3
5/11
of
-9 x24 Your
answer
Now solve this Futoshiki problem.
Every row and every column has to have the numbers 1, 2, 3 and 4.
Some numbers have been put in for you. Also you have some clues
from the > and < signs.
> 2
v
< <
1 >
3
Finally this Sudoku problem. Every row and every column has to have
the numbers 1 – 6. Also every block of 6 numbers has to have the
numbers 1 – 6.
2 1
4 6
4 1
3 2
5 3 1 4
6 4 5
Key skills
Adding and subtracting large numbers mentally
Adding and subtracting decimals
Multiplying decimals
Multiplying and dividing using negative numbers
Mathematical reasoning (Revised 7/2018)
Opal Star 20 minutes Answers
1 962 - 365 597 16 0.5 x 0.08 0.04
2 428 - 130 298 17 0.7 x 0.8 0.56
3 857 - 568 289 18 0.09 x 0.4 0.036
4 2137 - 1140 997 19 1.5 x 0.06 0.090
5 9006 - 896 8110 20 0.5 x 0.018 0.0090
6 564 + 378 942 21 -7 x 62 -434
7 265 + 438 703 22 36 x -6 -216
8 706 + 239 945 23 15 x -12 -180
9 658 + 897 1555 24 -24 x -16 384
10 769 + 389 1158 25 -41 x -66 2706
11 21.06 + 0.056 21.116 26 -702 ÷ 13 -54
12 31.9 + 274.56 306.46 27 -624 ÷ 16 -39
13 1.838 –
0.0028
1.8352 28 -1548 ÷ -18 86
14 510.6 – 235. 8 274.8 29 1292 ÷ -17 -76
15 11.92 – 5.8 6.12 30 -1786 ÷ -19 94
Start
with
21
2/7 of
this
6
x 7
42
÷3
14
+107
121
Square
root
of
11
-15
-4
x 2
-8
+ 47
39
Your
answer
39
Start
with
14
Times
by
itself
196
-98
98
÷2
49
x 5
245
-65
180
÷100
1.8
+4.2
6
x15
90
Your
answer
90
Start
with
7.5
Multiply
by 8
60
30%
of
18
Multiplied
by itself
324
- 60
264
Divide
by 3
88
5/11
of
40
-9
31
x11
341
Your
answer
341
Now solve this Futoshiki problem.
Every row and every column has to have the numbers 1, 2, 3 and 4.
Some numbers have been put in for you. Also you have some clues
from the > and < signs.
4 > 3 1 2
v
1 < 2 3 < 4
2 1 4 > 3
3 4 2 1
Finally this Sudoku problem. Every row and every column has to have
the numbers 1 – 6. Also every block of 6 numbers has to have the
numbers 1 – 6.
3 2 6 5 4 1
4 5 1 6 3 2
2 4 5 3 1 6
1 6 3 4 2 5
5 3 2 1 6 4
6 1 4 2 5 3
Key skills
Adding and subtracting large numbers mentally
Adding and subtracting decimals
Multiplying decimals
Multiplying and dividing using negative numbers
Mathematical reasoning
Diamond Star 20 minutes Name ____________
Multiplication of two and three digit numbers
Percentages of numbers
Multiplying and dividing fractions
Squares and square roots
Dividing large numbers by numbers less than 20
Mathematical reasoning
1 36 x 8 17 35% of 80
2 87 x 9 18 45% of 120
3 523 x 6 19 32% of 550
4 616 x 7 20 62% of 350
5 5107 x 6 The next 4 have decimal answers
6 23 x 18 21 73% of 230
7 36 x 32 22 24% of 610
8 67 x 29 23 57% of 740
9 327 x 36 24 83% of 920
10 417 x 59 25 3/5 x 7/9
11 322 ÷ 14 26 6/11 ÷ 8/7
12 916 ÷ 16 27 7/9 ÷ 5/7
13 1332 ÷ 18 28 11/14 x 17/19
14 1254 ÷ 19 29 16/9 ÷ 4/3
15 799 ÷ 17 30 15/17 x 6/11
16 1692 ÷ 18
Start
with
35
3/7
of
this
Times
by
itself
÷25 +174 2/3
of
+74 Square
root of
-
3.5
X3 -
19.3
Your
answer
Start
with
31
-40 Times
by
itself
-17 3/8
of
X8 +97 Square
root of
X 5 +
47
÷ 11 Your
answer
Solve these Sujiko puzzles. You need to arrange the
numbers 1 – 9 in the boxes so that the 4 numbers
surrounding each circle add to make the number in
the circle.
(Revised 3/2018)
Diamond Star 20 minutes Answers
Mental multiplication of two and three digit numbers
Percentages of numbers
Multiplying and dividing fractions
Squares and square roots
Mathematical reasoning
1 36 x 8 288 17 35% of 80 28
2 38 x 7 266 18 45% of 120 54
3 53 x 6 318 19 32% of 550 176
4 87 x 9 783 20 62% of 350 217
5 76 x 4 304 The next 4 have decimal
answers
6 523 x 6 3138 21 73% of 230 167.9
7 616 x 7 4312 22 24% of 610 146.4
8 3024 x 8 24192 23 57% of 740 421.8
9 5107 x 6 30642 24 83% of 920 763.6
10 23 x 18 414 25 3/5 x 7/9 21/45
11 36 x 32 1152 26 6/11 ÷ 8/7 42/88 or
21/44
14 24 x 35 840 27 7/9 ÷ 5/7 49/45
15 67 x 29 1943 28 11/14 x 17/19 187/266
16 327 x 36 11772 29 16/9 ÷ 4/3 48/36 or
4/3
30 15/17 x 6/11 90/187
Start
with
35
3/7
of
this
15
Times
by
itself
225
÷25
9
+174
183
2/3
of
122
+74
196
Square
root of
14
-3.5
10.5
X3
31.5
-
19.3
12.2
Your
answer
12.2
Start
with
31
-40
-9
Times
by
itself
81
-17
64
3/8
of
24
X8
192
+97
289
Square
root of
17
X 5
85
+47
132
÷ 11
12
Your
answer
12
Solve these Sujiko puzzles. You need to arrange the
numbers 1 – 9 in the boxes so that the 4 numbers
surrounding each circle add to make the number in
the circle.
Plutonium Star 20 minutes Name ____________
Division by numbers up to 99.
The squares and square roots of numbers up to 30.
Algebra
Mathematical reasoning
If a = 3, b = 5, c = 8 ,
d = 11, what are
16 7686 ÷ 61
1 ab - c 17 9860 ÷ 68
2 c2 - b 18 0.83 x 0.07
3 a(b + c) 19 1.004 x 0.03
4 (c + b)(d – a) 20 21.3 x 0.041
5 bc(c + d) 21 1.78 x 0.92
6 a/(b+c) ÷ b/(d+b) 22 0.056 x 1.08
7 (ab)2 - db 23 15.12 ÷ 0.56
8 222 - 67 24 1.476 ÷ 0.36
9 √841 - 42 25 19.61 ÷ 0.53
10 √576 - √196
11 212 + √676
12 2322 ÷ 43
13 2898 ÷ 46
14 2912 ÷ 91
15 3984 ÷ 83
Start
with
85
3/5 of
this
Times
by
itself
-
801
2/9
of
this
Square
root of
-
14.6
X 3.7 Add
together
the digits
Square
root of
X
524
Your
answer
Start
with
729
Square
root of
x 35
-17
3/8
of
2/3 of
+393
Square
root of
X 5
+ 51
÷ 11
Your
answer
You have to put the numbers 1 – 9 in the right squares to
make the answers vertically and horizontally.
x + 38
- - x
1 - x -21
x - x
+ x 7 77
48 -9 42
4 ÷ x 20
- - +
x + 58
+ ÷ x
9 - ÷ 1
5 -2 42
Plutonium Star 20 minutes Answers
Division by numbers up to 99.
The squares and square roots of numbers up to 30.
Algebra
Mathematical reasoning
If a = 3, b = 5, c = 8 ,
d = 11, what are
16 7686 ÷ 61 126
1 ab - c 7 17 9860 ÷ 68 145
2 c2 - b 59 18 0.83 x 0.07 0.0581
3 a(b + c) 39 19 1.004 x 0.03 0.03012
4 (c + b)(d – a) 104 20 21.3 x 0.041 0.8733
5 bc(c + d) 760 21 1.78 x 0.92 1.6376
6 a/(b+c) ÷ b/(d+b) 48/65 22 0.056 x 1.08 0.06048
7 (ab)2 - db 170 23 15.12 ÷ 0.56 27
8 222 - 67 417 24 1.476 ÷ 0.36 4.1
9 √841 - 42 13 25 19.61 ÷ 0.53 37
10 √576 - √196 10
11 212 + √676 467
12 2322 ÷ 43 54
13 2898 ÷ 46 63
14 2912 ÷ 91 32
15 3984 ÷ 83 48
Start
with
85
3/5 of
this
51
Times
by
itself
2601
-
801
1800
2/9
of
this
400
Square
root of
20
-
14.6
5.4
X 3.7
19.98
Add
together
the
digits
27
Cube
root
of
3
X 524
1572
Your
answer
1572
Start
with
729
Square
root of
27
x 35
945
-17
928
3/8
of
348
2/3 of
232
+393
625
Square
root of
25
X 5
125
+ 51
176
÷ 11
16
Your
answer
16
You have to put the numbers 1 – 9 in the right squares to
make the answers vertically and horizontally.
9 x 4 + 2 38
- - x
1 - 8 x 3 -21
x - x
6 + 5 x 7 77
48 -9 42
4 ÷ 1 x 5 20
- - +
8 x 7 + 2 58
+ ÷ x
9 - 3 ÷ 6 1
5 -2 42
