JeopardyEstimationMental math

Addition Subtraction Variables Grab Bag

Q $100

Q $200

Q $300

Q $400

Q $500

Q $100 Q $100Q $100 Q $100

Q $200 Q $200 Q $200 Q $200

Q $300 Q $300 Q $300 Q $300

Q $400 Q $400 Q $400 Q $400

Q $500 Q $500 Q $500 Q $500

Final Jeopardy

$100 Question from H1

Estimate the sum:

21,643 + 8,390

$100 Answer from H1

21,000 + 8,000 = 29,000Answers may vary

$200 Question from H1Christine made $147 mowing lawns last summer. David made $54 babysitting his little sister. About how much money did they make altogether?

$200 Answer from H1

About $200

$300 Question from H1

403 + 288 =

$300 Answer from H1

691

$400 Question from H1

395-68

$400 Answer from H1

327

$500 Question from H1

Estimate the difference and tell whether you overOr under estimated. 725 – 294Answers may vary

$500 Answer from H1

700 – 300 = 400 underestimate

$100 Question from H2

Dontae’s team scored 27 pointsin the first half. They scored 14more in the second half. How many points did they score altogether? Tell what computationmethod you used.

$100 Answer from H2

Sample: 41 mental math

$200 Question from H2

Find 73,928 + 7,085A.81,130B.81,013C.80,300D.80,031

$200 Answer from H2

B.

$300 Question from H2

Dalia spent $114.97 for a new video game system $28.39 for a new game, and $17.40 for a controller. How much money did she spend altogether?

$300 Answer from H2

$160.76

$400 Question from H2

6,839 + 192 + 2,786 + 495 =

$400 Answer from H2

10,312

$500 Question from H2Brenda made a table to keep track of how much money she saved. What week will Brenda have $70 or more? Explain how you know.

Week Total amount saved

1 $9

2 $18

3 $27

4 $36

$500 Answer from H2

At week 8 she will have $73. I knowbecause she is depositing $9 a week.

$100 Question from H3

Franco has 81 comic books and Max has 53 books as well. How many more comics does Franco have than Max? (don’t forgetthe label!)

$100 Answer from H3

28 comic books

$200 Question from H3

8,000 – 1,690

$200 Answer from H3

6,310

$300 Question from H3

$73.12 - $55.08=

$300 Answer from H3

$18.20

$400 Question from H3

Darnell delivered 36 newspapers. Hehad 12 left. How many newspapers did he start with? Use n – 36 = 12 to solve

$400 Answer from H3

N = 48

$500 Question from H3

Lauren lives 2,371 miles from her grandmother and 1,743 miles from her aunt. How many more miles does she live from her grandmother than her aunt? Do not forget labels!

$500 Answer from H3

628 miles

$100 Question from H4

Write a number expression for the phrase:

The total of 91 rocks and 28 rocks

$100 Answer from H4

91 + 28

$200 Question from H4

Write a number expression for the phrase:

217 is how much more than 141

$200 Answer from H4

217 – 141

$300 Question from H4

Evaluate the expression for x = 17

X + 59

$300 Answer from H4

76

$400 Question from H4

37 + r = 54

$400 Answer from H4

17

$500 Question from H4

Solve the equation:

H – 12 = 14

$500 Answer from H4

26

$100 Question from H5

Which number goes in the blank?

2, 10, 18, 26, ____, 42

$100 Answer from H5

34

$200 Question from H5

Look for a pattern write the nextthree numbers:

3, 7, 11, 15, ___, ___, ____

$200 Answer from H5

19, 23, 27

$300 Question from H5

Evaluate the expression for x = 17

20 – x =

$300 Answer from H5

3

$400 Question from H5Kevin had 32 origami animals. He gave 8 to his mother and then he made 11 more. Choose the expression that indicates how many animals Kevin had then.a. (32 + 8) + 11b. (32 – 8 ) +11c. 8 + (32 – 11)d. (11 – 8) + 32

$400 Answer from H5

B

$500 Question from H5

Dominique said that (7 + 5 ) + 10 is the same as 7 + (5 + 10). Is she correct? Explain using one of the addition properties.

$500 Answer from H5

Yes the associative property

Final Jeopardy

What is the probability a girl would be pickedif a student was chosen at random from your room?

Final Jeopardy Answer

See teacher