Free Printable Flashback Friday 12/13 - Decimal Operations, Fraction Operations

1.

Add the fractions: $\frac{3}{4}+\frac{5}{6}$

a)

$\frac{19}{12}$

b)

$\frac{8}{9}$

c)

$\frac{11}{12}$

d)

$\frac{7}{10}$

2.

Find the product: $\frac{2}{3}\cdot\frac{4}{5}$

a)

$\frac{6}{7}$

b)

$\frac{8}{15}$

c)

$\frac{5}{8}$

d)

$\frac{3}{10}$

3.

Find the sum: $\frac{2}{5}+\frac{3}{8}$

a)

$\frac{5}{13}$

b)

$\frac{25}{40}$

c)

$\frac{31}{40}$

d)

$\frac{12}{20}$

4.

Find the difference: $\frac{7}{8}-\frac{3}{4}$

a)

$\frac{2}{3}$

b)

$\frac{4}{7}$

c)

$\frac{1}{8}$

d)

$\frac{2}{8}$

5.

Find the difference: $\frac{1}{2}-\frac{3}{12}$

a)

$\frac{3}{4}$

b)

$\frac{2}{10}$

c)

$\frac{1}{4}$

d)

$\frac{9}{12}$

6.

Find the product: $\frac{1}{3}\cdot\frac{2}{5}$

a)

$\frac{5}{6}$

b)

$\frac{1}{8}$

c)

$\frac{3}{10}$

d)

$\frac{2}{15}$

7.

Find the sum: $\frac{4}{7}+\frac{2}{9}$

a)

$\frac{6}{16}$

b)

$\frac{50}{63}$

c)

$\frac{45}{63}$

d)

$\frac{14}{16}$

8.

Add the fractions: $\frac{3}{4}+\frac{1}{4}$

a)

$\frac{4}{8}$

b)

$1$

c)

$\frac{3}{2}$

d)

$2$

9.

Find the difference: $\frac{7}{8}-\frac{3}{8}$

a)

$\frac{5}{8}$

b)

$\frac{4}{0}$

c)

$\frac{3}{4}$

d)

$\frac{1}{2}$

10.

Find the product: $\frac{2}{5}\cdot\frac{3}{4}$

a)

$\frac{3}{10}$

b)

$\frac{7}{20}$

c)

$\frac{5}{20}$

d)

$\frac{5}{10}$

11.

Find the product: $\frac{4}{7}\cdot\frac{5}{9}$

a)

$\frac{20}{63}$

b)

$\frac{9}{20}$

c)

$\frac{35}{63}$

d)

$\frac{2}{3}$

12.

Find the sum: $\frac{1}{3}+\frac{1}{2}$

a)

$\frac{2}{5}$

b)

$\frac{4}{6}$

c)

$\frac{5}{6}$

d)

$\frac{1}{5}$

13.

Subtract the fractions: $\frac{2}{5}-\frac{1}{4}$

a)

$\frac{3}{20}$

b)

$\frac{3}{9}$

c)

$\frac{1}{1}$

d)

$\frac{1}{9}$

14.

Multiply the fractions: $\frac{2}{3}\cdot\frac{1}{4}$

a)

$\frac{8}{3}$

b)

$\frac{3}{12}$

c)

$\frac{5}{12}$

d)

$\frac{1}{6}$

15.

Add the fractions: $\frac{1}{2}+\frac{3}{8}$

a)

$\frac{7}{8}$

b)

$-\frac{1}{8}$

c)

$\frac{3}{16}$

d)

$\frac{4}{3}$

16.

Multiply the fractions: $\frac{1}{5}\cdot\frac{1}{5}$

a)

$\frac{1}{5}$

b)

$\frac{2}{10}$

c)

$\frac{2}{25}$

d)

$\frac{1}{25}$

17.

Multiply the fractions: $\frac{7}{9}\cdot\frac{2}{3}$

a)

$\frac{7}{6}$

b)

$\frac{1}{9}$

c)

$\frac{13}{9}$

d)

$\frac{14}{27}$

18.

Change this improper fraction to a mixed number:

$\frac{16}{3}$

a)

$5\ \frac{1}{3}$

b)

$4\ \frac{2}{3}$

c)

6

d)

$5\ \frac{2}{3}$

19.

Change this improper fraction to a mixed number:

$\frac{9}{8}$

a)

$1\frac{1}{8}$

b)

$8\frac{1}{8}$

c)

$1\frac{2}{9}$

d)

$1\frac{1}{9}$

20.

Change this improper fraction to a mixed number:

$\frac{14}{5}$

a)

$2\frac{4}{5}$

b)

$1\frac{2}{5}$

c)

$2\frac{1}{5}$

d)

$1\frac{6}{5}$

21.

What is the first step in adding or subtracting fractions?

a)

Add the numerators

b)

Find the lowest common denominator

c)

Multiply the denominators

d)

Simplify

22.

What is the first step in multiplying fractions?

a)

Add the numerators

b)

Change any mixed numbers to improper fractions

c)

Multiply the denominators

d)

Simplify

23.

A bakery used $8\frac{1}{2}$ pounds of flour on Monday and $7\frac{3}{4}$ pounds on Tuesday. What is the total amount of flour used over these two days?

a)

$16\frac{1}{4}$ pounds

b)

$16\frac{1}{2}$ pounds

c)

$15\frac{3}{4}$ pounds

d)

$16\frac{3}{4}$ pounds

24.

Maria is making a fruit salad with $\frac{1}{3}$ cup of watermelon, $\frac{1}{4}$ cup of pineapple, and $\frac{1}{6}$ cup of cantaloupe. How much fruit is in the salad?

a)

$\frac{3}{4}$ cups

b)

$\frac{2}{3}$ cups

c)

$\frac{5}{6}$ cups

d)

1 cup

25.

A pancake recipe requires $2\frac{3}{4}$ cups of milk. If you want to make half the recipe, how much milk do you need?

a)

$1\frac{3}{8}$ cups

b)

$1\frac{1}{2}$ cups

c)

$1\frac{1}{2}$ cups

d)

$1\frac{2}{3}$ cups

26.

A soup kitchen had $6\frac{1}{2}$ gallons of soup at the start of the day. They had $2\frac{1}{10}$ gallons of soup left by the end of the day. How many gallons of soup did they use during the day?

a)

$4\frac{2}{5}$ gallons

b)

$3\frac{1}{2}$ gallons

c)

5 gallons

d)

4 gallons

27.

Simplify:

$\frac{4}{10}$

a)

$\frac{2}{5}$

b)

$\frac{1}{2}$

c)

$\frac{3}{9}$

d)

$\frac{2}{8}$

28.

Simplify:

$\frac{8}{24}$

a)

$\frac{2}{12}$

b)

$\frac{1}{3}$

c)

$\frac{4}{12}$

d)

$\frac{2}{8}$

29.

Simplify:

$\frac{10}{12}$

a)

$\frac{8}{10}$

b)

$\frac{5}{6}$

c)

$\frac{5}{7}$

d)

$\frac{4}{8}$

30.

Simplify:

$\frac{15}{25}$

a)

$\frac{4}{5}$

b)

$\frac{3}{5}$

c)

$\frac{5}{10}$

d)

$\frac{3}{15}$

31.

Gina has $5\frac{2}{3}$ cups of flour. She uses $2\frac{1}{2}$ cups for a recipe. How much flour does she have left?

a)

$3\frac{1}{6}$ cups

b)

$3\frac{2}{3}$ cups

c)

$3\frac{1}{3}$ cups

d)

$2\frac{5}{6}$ cups

32.

What is the reciprocal of 2?

a)

-2

b)

$\frac{1}{2}$

c)

4

d)

0.2

33.

Which of these can help you remember how to divide fractions?

a)

keep, change, opposite

b)

keep, change, flip (reciprocal)

c)

keep, keep, change

d)

keep, keep, opposite

34.

What is the reciprocal of $\frac{4}{5}$ ?

a)

$\frac{4}{5}$

b)

$\frac{5}{4}$

c)

$\frac{5}{1}$

d)

$\frac{1}{5}$

35.

$\frac{1}{4}\div\frac{1}{2}$

a)

$\frac{2}{6}$

b)

$\frac{1}{8}$

c)

$\frac{3}{5}$

d)

$\frac{2}{4}$

36.

$\frac{2}{5}\div\frac{2}{5}$

a)

$\frac{4}{10}$

b)

$\frac{2}{5}$

c)

1

d)

5

37.

$3\div\frac{1}{4}$

a)

$\frac{1}{12}$

b)

12

c)

7

d)

$\frac{1}{7}$

38.

$\frac{2}{5}\div\frac{3}{4}$

a)

8/15

b)

6/20

c)

3/10

d)

3/20

39.

What is the quotient of these fractions in lowest terms?

a)

6/40

b)

6/10

c)

3/5

d)

12/20

40.

$\frac{4}{9}\div\frac{1}{2}$

a)

⁸/₉

b)

⁵/₁₁

c)

⁶/₁₀

d)

⁴/₁₈

41.

What is the sum of 46.19 + 82.10?

a)

128.29

b)

138.29

c)

148.29

d)

118.29

42.

Kelly has $20. She spends $2.15 on a Slurpee and $6.58 on candy. How much money does she have left?

a)

$28.73

b)

$11.27

c)

$17.85

d)

$13.42

43.

What is 12.04 - 3.13?

a)

9.01

b)

8.91

c)

4.32

d)

11.64

44.

82 x 0.13 =

a)

10.66

b)

106.6

c)

24.81

d)

248.1

45.

3.7 x 0.43 =

a)

1.591

b)

15.91

c)

18.7

d)

1.87

46.

3.5 x 4.92

a)

17.32

b)

17.22

c)

1.72

d)

0.1722

47.

7.13 x 5.5

a)

39.215

b)

3.9215

c)

392.15

d)

3921.5

48.

Mary biked 95.25 kilometers in 15 days. How many kilometers did Mary bike each day?

a)

6.35 kilometers

b)

63.5 kilometers

c)

65 kilometers

d)

6.25 kilometers

49.

Evaluate

$42.72\div1.2=$

a)

3.56

b)

356

c)

0.356

d)

35.6

50.

$12.24\div1.2=$

a)

102

b)

10.2

c)

12

d)

12.2

51.

0.15 ÷ 0.3

a)

0.5

b)

0.05

c)

5

d)

0.150

52.

45.6 ÷ 3 =

a)

1.52

b)

15.2

c)

152

d)

11.2

53.

What is the sum of 3.25 and 2.7?

a)

8.35

b)

5.5

c)

6.15

d)

5.95

54.

22 + 4.57 + 8.9

a)

34.47

b)

35.47

c)

13.69

d)

13.59

55.

20.529 + 19.48

a)

41.109

b)

40.109

c)

41.009

d)

40.009

56.

50 - 8.32

a)

41.68

b)

42.68

c)

41.78

d)

41.88

57.

6.8 - 2.93

a)

3.86

b)

3.27

c)

3.87

d)

3.77

58.

7.13 x 5.5

a)

39.215

b)

3.9215

c)

392.15

d)

3921.5

Flashback Friday 12/13 - Decimal Operations, Fraction Operations

Total questions: 58

Worksheet time: 3hrs 58mins

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