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Math4childrenplus.com
Number system
Exercises:
1. Write in order, the smallest first : 20, 19.5, 19 34
2. Which is larger :
3. Simplify the following by rationalising their denominators.
4. Write down the first five terms of the sequence whose nth terms are:
5. If calculate the value of
1316
or 2126
a) b) c) d)32
327
12
9322
d) 9 +23 + 22
a) 4n - 1 b) 2n 2
2a - b2a + b
12
=ab
Math4childrenplus.com
Number system
Exercises:
1. Write in order, the smallest first : 20, 19.5, 19 34
2. Which is larger :
3. Simplify the following by rationalising their denominators.
4. Write down the first five terms of the sequence whose nth terms are:
5. If calculate the value of
1316
or 2126
a) b) c) d)22
722
2
2 326
a) 3, 7, 11, 15, 19 b) 2, 8, 18, 32, 50
2a - b2a + b
12
=ab
Answers
1 23
3
1 12