7. Tell if each number is prime or composite. How do you know? a) 18 b) 21 c) 48 d) 37
8. Onlyoneprimenumberiseven.
Which number is it? How do you know it is a prime number?
9. List all the factors of each number.
Sort the factors into prime numbers and composite numbers. a) 52 b) 28 c) 63 d) 76
10. . a) 16,32 b) 18,27 c) 30,75
11. . a) 18 b) 48 c) 21 d) 75
7
8
12. Evaluateeachexpression.
a) 35164 b) 8(64) c) 8699
13. Evaluateeachexpression.
a) 16974(1845) b) 8537482525
14. Drawanumberline. Markeachintegerontheline. How did you know where to place each integer? 3, 5, 1, 2, 0
15. .
a) Sandhaskatedbackward100m.
b) Karlearned$140mowinglawns.
c) The temperature in Alida, SK, was 12°C
below zero.
d) Theelevatorwentup7floors.
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16. Useanumberline.
Order the integers in each set from least to greatest.
a) 4, 3, 2, 1, 4
b) 8, 5, 0, 5, 17
c) 10, 9, 8, 7, 6