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Assessment

Presentation

Mathematics

6th - 8th Grade

Practice Problem

Medium

Created by

Maruf Lawal

Used 1+ times

FREE Resource

18 Slides • 36 Questions

1

Operations with Fractions Review

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2

Multiple Choice

What is a numerator?

1

a whole number

2

top number in a fraction

3

bottom number in the fraction

4

the term for a larger top number than bottom number

3

Multiple Choice

What word means: The bottom number of a fraction; number below the fraction bar.
1
improper fraction
2
whole number
3
numerator
4
denominator

4

Multiple Choice

The number in blue is a:
    7
   ----
   12
1
mixed number
2
numerator
3
improper fraction
4
denominator

5

Multiple Choice

The number in red is the:
4
---
 5
1
numerator
2
denominator
3
improper fraction
4
mixed number

6

Adding and Subtracting Fractions

When adding fractions, we need to have the same denominator.

7

Fill in the Blanks

Type answer...

8

If the denominators are the same already...

You can just add or subtract the numerators

9

Multiple Choice

1012512\frac{10}{12}-\frac{5}{12}

1

512\frac{5}{12}

2

1524\frac{15}{24}

3

1512\frac{15}{12}

10

Multiple Choice

48+18\frac{\text{4}}{\text{8}}+\frac{\text{1}}{\text{8}}  

1

57\frac{\text{5}}{\text{7}}

2

37\frac{\text{3}}{\text{7}}

3

58\frac{\text{5}}{\text{8}}

4

38\frac{\text{3}}{\text{8}}

11

Multiple Choice

Question image

Solve

1

514\frac{\text{5}}{\text{14}}

2

37\frac{\text{3}}{\text{7}}

3

57\frac{\text{5}}{\text{7}}

4

514\frac{\text{5}}{\text{14}}

12

Multiplying Fractions

Just multiply the numerators and then the denominators.

13

Multiple Choice

Question image

Find the product.

1

9/24

2

9/28

3

6/32

4

12/21

14

Multiple Choice

Question image

Find the product.

1

2/14

2

1/49

3

1

4

1/14

15

Dividing Fractions

Keep, Change, Flip


Keep the first fraction

Change to Multiplication

Flip the last fraction to the reciprocal

16

Multiple Choice

What is the reciprocal of 78\frac{7}{8}  ?

1

1

2

1416\frac{14}{16}  

3

87\frac{8}{7}

4

78\frac{7}{8}

17

Multiple Choice

Find the reciprocal of 711\frac{7}{11}  

1

1 17\frac{1}{7}  

2

1111\frac{11}{11}  

3

117\frac{11}{7}  

4

77\frac{7}{7}  

18

Multiple Choice

What is the recriprocal of 4/5

1

4/5

2

5/4

3

5/1

4

1/5

19

Fraction Operations Review

By LK Stewart

20

ADDING FRACTIONS

It's not that bad. :)

21

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If the denominators are the same, you're good to go.​

Adding Fractions

22

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Some text here about the topic of discussion.

REMEMBER TO SIMPLIFY!

23

Multiple Choice

29+59\frac{2}{9}+\frac{5}{9}  

1

718\frac{7}{18}  

2

79\frac{7}{9}  

3

1018\frac{10}{18}  

4

109\frac{10}{9}  

24

What if they have different denominators?

Find a common factor and multiply to get equal denominators.

*If you're not sure, multiply the bottom and top by the opposite denominator!

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25

Multiple Choice

34+16\frac{3}{4}+\frac{1}{6}  

1

410\frac{4}{10}  

2

25\frac{2}{5}  

3

1112\frac{11}{12}  

4

712\frac{7}{12}  

26

Multiple Choice

112+56\frac{1}{12}+\frac{5}{6}  

1

13\frac{1}{3}  

2

512\frac{5}{12}  

3

618\frac{6}{18}  

4

1112\frac{11}{12}  

27

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If the denominators are the same, you're good to go.​

Subtracting Fractions

28

Multiple Choice

19201220\frac{19}{20}-\frac{12}{20}  

1

620\frac{6}{20}  

2

70\frac{7}{0}  

3

020\frac{0}{20}  

4

720\frac{7}{20}  

29

What if they have different denominators?

Find a common factor and multiply to get equal denominators.

*If you're not sure, multiply the bottom and top by the opposite denominator!

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30

Multiple Choice

8923\frac{8}{9}-\frac{2}{3}  

1

66\frac{6}{6}  

2

69\frac{6}{9}  

3

29\frac{2}{9}  

4

49\frac{4}{9}  

31

Multiple Choice

111525\frac{11}{15}-\frac{2}{5}  

1

35\frac{3}{5}  

2

910\frac{9}{10}  

3

510\frac{5}{10}  

4

13\frac{1}{3}  

32

INTEGER RULES: They're still a thing.

ADDITION:

Same sign: add and keep

Different signs: subtract​

SUBTRACTION:

Rewrite as addition using LCO

33

Multiple Choice

Calculate 25+(15)-\frac{2}{5}+\left(-\frac{1}{5}\right)  

1

35 -\frac{3}{5\ }  

2

15 -\frac{1}{5\ }  

3

15 \frac{1}{5\ }  

4

35 \frac{3}{5\ }  

34

Multiple Choice

Calculate 23(43)\frac{2}{3}-\left(-\frac{4}{3}\right)  

1

23-\frac{2}{3}  

2

-2

3

2

4

3

35

Multiple Choice

Calculate 35 +(13)-\frac{3}{5\ }+\left(-\frac{1}{3}\right)  

1

415-\frac{4}{15}  

2

1415\frac{14}{15}  

3

1415-\frac{14}{15}  

4

38-\frac{3}{8}  

36

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Multiply straight across and simplify.

Multiplying

Fractions

37

Multiple Choice

Calculate 35 ×(13)-\frac{3}{5\ }\times\left(-\frac{1}{3}\right)  

1

315\frac{3}{15}  

2

315-\frac{3}{15}  

3

15-\frac{1}{5}  

4

15\frac{1}{5}  

38

Multiple Choice

Calculate 78×1114\frac{7}{8}\times\frac{11}{14}  

1

1116\frac{11}{16}  

2

77112\frac{77}{112}  

3

  8898\frac{88}{98}

4

917\frac{9}{17}

39

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Keep Change Flip

Multiply

Simplify

Dividing

Fractions

40

Multiple Choice

Calculate 34÷25\frac{3}{4}\div\frac{2}{5}  

1

  1 781\ \frac{7}{8}

2

620\frac{6}{20}  

3

38\frac{3}{8}

4

815\frac{8}{15}

41

Multiple Choice

Calculate 8912\frac{\frac{8}{9}}{-\frac{1}{2}}  

1

1 79-1\ \frac{7}{9}

2

79-\frac{7}{9}

3

49-\frac{4}{9}

4

916-\frac{9}{16}

42

Skill Review:

Fraction Operations: multiplication and division

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43

Multiple Choice

627\frac{6}{27}  

Simplify!

1

29\frac{2}{9}  

2

13\frac{1}{3}  

3

39\frac{3}{9}  

4

Already in simplest form. 

5

17\frac{1}{7}  

44

Fraction multiplication is our favorite fraction operation: multiply numerators, multiply denominators

simplify if needed!

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45

Multiple Choice

Evaluate  25711\frac{2}{5}\cdot\frac{7}{11}  

1

2155\frac{21}{55}  

2

1455\frac{14}{55}  

3

1450\frac{14}{50}  

4

2150\frac{21}{50}  

46

Multiple Choice

Evaluate  5923\frac{5}{9}\cdot\frac{2}{3}  

1

712\frac{7}{12}  

2

1518\frac{15}{18}  

3

56\frac{5}{6}  

4

1027\frac{10}{27}  

5

1024\frac{10}{24}  

47

Multiple Choice

Evaluate  211×3\frac{2}{11}\times3  

remember: we can give any whole number a denominator of 1! 

1

633\frac{6}{33}  

2

611\frac{6}{11}  

3

233\frac{2}{33}  

4

516\frac{5}{16}  

5

511\frac{5}{11}  

48

Fraction division is quite nice because we can rewrite a division statement as an equivalent multiplication statement.

: rewrite as "multiply by the reciprocal!" then continue & simplify if needed. Here is an example >

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49

Multiple Choice

25÷34\frac{2}{5}\div\frac{3}{4}  = 

rewrite! 

1

25×43\frac{2}{5}\times\frac{4}{3}  

2

25×34\frac{2}{5}\times\frac{3}{4}  

3

52×34\frac{5}{2}\times\frac{3}{4}  

50

Multiple Choice

25÷34\frac{2}{5}\div\frac{3}{4}  =  25×43=\frac{2}{5}\times\frac{4}{3}=  ?

1

68\frac{6}{8}  

2

815\frac{8}{15}  

3

52×34\frac{5}{2}\times\frac{3}{4}  

4

11  

51

Fill in the Blanks

Type answer...

52

Multiple Choice

23÷56\frac{2}{3}\div\frac{5}{6}  

1

1230\frac{12}{30}  

2

59\frac{5}{9}  

3

1018\frac{10}{18}  

4

45\frac{4}{5}  

5

=1512= 54=\frac{15}{12}=\ \frac{5}{4}  

53

Multiple Choice

23÷5\frac{2}{3}\div5  

1

103\frac{10}{3}  

2

1015\frac{10}{15}  

3

215\frac{2}{15}  

4

23\frac{2}{3}  

54

Multiple Choice

6÷346\div\frac{3}{4}  

1

1824\frac{18}{24}  

2

2418\frac{24}{18}  

3

18\frac{1}{8}  

4

88  

5

34\frac{3}{4}  

Operations with Fractions Review

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