Free Printable Unit 1 Review

1.

Calculate $\left(-81\right)\div\left(\frac{9}{2}\right)$

a)

$-2$

b)

$-18$

c)

$-9$

d)

$17$

2.

Calculate $\left(-4\times-3\times-2\right)\div0$

a)

$-24$

b)

0

c)

undefined

d)

$24$

3.

$\left|-3\right|+\left|-5\right|$

a)

$8$

b)

$2$

c)

$-8$

d)

$-3$

4.

Which list is ordered from biggest to smallest?

a)

$10,\ \left|-3\right|,\ \frac{9}{10},\ 0,\ -4$

b)

$\left|-3\right|,\ 10,\ \frac{9}{10},\ 0,\ -4$

c)

$-4,\ 0,\ \frac{9}{10},\ 10,\ \left|-3\right|$

d)

$-4,\ 0,\ \frac{9}{10},\left|-3\right|,\ 10$

5.

Calculate $\left(+6\right)\times\left(-3\right)$ .

a)

$+18$

b)

$+9$

c)

$-18$

d)

$-9$

6.

Calculate $\left(-24\right)\div\left(-3\right)$ .

a)

$-8$

b)

$8$

c)

$-27$

d)

$7$

7.

Express $\left(-4\right)\times\left(-4\right)\times\left(-4\right)\times\left(-4\right)\times\left(-4\right)$ using exponents.

a)

$\left(-4\right)^5$

b)

$\left(-4\right)^4$

c)

$4^5$

d)

$2^3$

8.

Calculate $\left(-3\right)^3$

a)

$-27$

b)

$27$

c)

$\frac{1}{9}$

d)

$9$

9.

Calculate $\left(-2\right)^2\times3$

a)

$12$

b)

$-12$

c)

$6$

d)

$5$

10.

Calculate $-4^3\div\left(-2\right)^3$

a)

$8$

b)

$-8$

c)

$1$

d)

$2$

11.

Calculate $-10^2\div25$

a)

$-4$

b)

$4$

c)

$-15$

d)

$15$

12.

Calculate $\left(-\frac{1}{2}\right)^2$

a)

$\frac{1}{4}$

b)

$0$

c)

$-\frac{1}{4}$

d)

$1$

13.

Calculate $\left|\frac{5+9}{4-6}\right|$

a)

$2$

b)

$4$

c)

$-7$

d)

$7$

14.

Calculate $3\times\left[2+\left(-5\right)\times0\right]$

a)

$6$

b)

$-6$

c)

$10$

d)

$-9$

15.

Which of these statement is true?

a)

$\left|-5\right|>\left|5\right|$

b)

$\left|-5\right|=\left|5\right|$

c)

$\left|-5\right|<\left|5\right|$

16.

Which of these statements is not true?

a)

$\left|-3\right|>\left|-2\right|$

b)

$\left|-0.25\right|<\frac{1}{2}$

c)

$\left|-9\right|>\left|-10\right|$

d)

$\left|-\frac{1}{100}\right|<\left|-\frac{1}{10}\right|$

17.

Calculate $-6.4-\left(-3.2\right)-\left(-3.2\right)$

a)

$3.2$

b)

$-3.2$

c)

$-6.4$

d)

0

18.

Calculate

3+4-5

a)

$2$

b)

$12$

c)

$-2$

d)

$3$

19.

Calculate $\left(-\frac{1}{2}\right)+\left(-\frac{1}{4}\right)$

a)

$\frac{1}{2}$

b)

$-\frac{1}{4}$

c)

$\frac{1}{8}$

d)

$-\frac{3}{4}$

20.

Calculate $\left(-144\right)\div12$

a)

$-16$

b)

$-13$

c)

$-12$

d)

$10$

21.

Calculate $\frac{5}{6}\times\left(-\frac{3}{8}\right)$

a)

$-\frac{8}{14}$

b)

$-\frac{5}{16}$

c)

$-\frac{40}{18}$

d)

$-1$

22.

Calculate $\left(-1.2\right)\times\left(-1.2\right)$

a)

$2.4$

b)

$-2.4$

c)

$1.44$

d)

$-1.44$

23.

Calculate $1.23\times3.51\times\left(-2\right)\times0$

a)

$-8.6346$

b)

$-7.15$

c)

$-4.135$

d)

0

24.

Calculate $\left|-3\right|\div\left(-2\right)$

a)

$\frac{3}{2}$

b)

$3.5$

c)

$-2.5$

d)

$-\frac{3}{2}$

25.

Calculate $0\div\left(-10000000\right)$

a)

-10000000

b)

10000000

c)

0

d)

undefined

26.

Calculate $\left(-6\right)\times4\div\left(-12\right)$

a)

$-12$

b)

$12$

c)

$-2$

d)

$2$

27.

Calculate $\left(-9\right)\div\frac{2}{3}$

a)

$-\frac{27}{3}$

b)

$-\frac{27}{2}$

c)

$-\frac{18}{3}$

d)

$-6$

28.

Calculate

5\times\left(-5\right)\times5\div100

a)

$-1.25$

b)

$1.25$

c)

$-500$

d)

$500$

29.

Calculate $\left(-1\right)\times2\div\left(-3\right)\times4$

a)

$-\frac{8}{3}$

b)

$-\frac{3}{8}$

c)

$\frac{8}{3}$

d)

$\frac{3}{8}$

30.

Identify which number has the biggest absolute value.

a)

$-\frac{5}{4}$

b)

$-\frac{1}{5}$

c)

$-\frac{2}{3}$

d)

$-\frac{2}{100}$

31.

Select an inequality sign that would describe the relative size of -4 and 6.

a)

$-4<6$

b)

$-4>6$

32.

Calculate

-1-\left(-\frac{1}{2}\right)+\left(\frac{5}{10}\right)

a)

$\frac{1}{2}$

b)

$-\frac{1}{2}$

c)

$\frac{3}{2}$

d)

0

33.

Calculate $\left(-8\right)-\left(+7\right)+9-\left(-5\right)$

a)

$22$

b)

$11$

c)

$-1$

d)

$3$

34.

Calculate $\left(-2\right)^5$

a)

$10$

b)

$-10$

c)

$32$

d)

$-32$

35.

Calculate $\frac{\left|3-12\right|}{3}$

a)

$-11$

b)

$3$

c)

$-3$

d)

$13$

36.

Determine the reciprocal of $-2\ \frac{1}{3}$

a)

$-\frac{5}{3}$

b)

$-\frac{7}{3}$

c)

$-\frac{3}{5}$

d)

$-\frac{3}{7}$

37.

Calculate $\left(-2\right)^3-\left(-9\right)$

a)

$1$

b)

$-1$

c)

$17$

d)

$16$

38.

Calculate $-5\times\left(-2^2\right)\div20$

a)

$-1$

b)

$1$

c)

$20$

d)

$-20$

39.

Calculate $\left(-9\right)^2\div3^2$

a)

$9$

b)

$-9$

c)

$27$

d)

$-3$

40.

Calculate $\left|42\div\left(2-5\right)\right|$

a)

$16$

b)

$-14$

c)

$15$

d)

$14$

41.

Calculate $\left|\left(-3\right)^3+6\right|$

a)

$33$

b)

$21$

c)

$39$

d)

$-21$

42.

Calculate $2^2-\left(-4\right)\times2$

a)

$12$

b)

$16$

c)

$8$

d)

$4$

43.

Simplify this fraction $-\frac{8}{20}$

a)

$-\frac{3}{5}$

b)

$\frac{2}{5}$

c)

$-\frac{2}{5}$

d)

$\frac{3}{5}$

44.

Calculate $\left(-144\right)\div\left(-12\right)\times2$

a)

$24$

b)

$-24$

c)

$6$

d)

$-6$

45.

Calculate $\left(\frac{5}{6}\right)\times30\div\left(-5\right)$

a)

$-6$

b)

$-5$

c)

$5$

d)

$6$

46.

Calculate

\left(-9\right)\times\frac{1}{6}\times2

a)

$\frac{1}{2}$

b)

$-\frac{1}{2}$

c)

$3$

d)

$-3$

47.

Calculate $\left(-2\right)-\left(+5\right)$

a)

$+3$

b)

$-3$

c)

$-7$

d)

$-4$

48.

Calculate $\left(-3\right)-\left(-0.3\right)$

a)

$-2.7$

b)

$-3.3$

c)

$+3.3$

d)

$+3$

49.

Calculate $\left(-\frac{1}{5}\right)-\left(-\frac{7}{15}\right)$

a)

$+\frac{4}{15}$

b)

$-\frac{1}{5}$

c)

$-\frac{8}{5}$

d)

$+\frac{8}{15}$

50.

Identify which expression has the same value as $10+\left(-7\right)-\left(-2\right)+4$

a)

$10-7-2+4$

b)

$\left(+10\right)-7-2+4$

c)

$\left(+10\right)-7+2+\left(+4\right)$

d)

$10+7+2-4$

Unit 1 Review

Total questions: 50

Worksheet time: 25mins

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