Operations with Decimals and Fractions

Operations with Decimals and Fractions

Add, Subtract, Multiply, and Divide

Multiple Choice

Add these Fractions

• 2/4
• 3/4
• 4/8
• 1

Multiple Choice

• 4/5
• 4/10
• 2/5
• 5

Multiple Choice

• ⁵/₁₄

• ³/₇

• ⁵/₇

• ⁵/₁₄

Multiple Choice

• ⁵/₁₄

• ³/₇

• ⁵/₇

• ⁵/₁₄

Unlike Denominators

Find a common denominator, then create equivalent fractions that you can add or subtract.

Multiple Choice

Fill in the blank in order to create an equivalent fraction.
1/2 = __ /8

• 2
• 4
• 6
• 8

Multiple Choice

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Multiple Choice

Add these fractions.
1/2 + 1/3 =

• 5/6
• 2/5
• 1/5
• 1

Multiple Choice

What is the least common denominator for 1/3 and 3/4?

• 6

• 4

• 3

• 12

Multiple Choice

What is the least common denominator for 1/3 and 3/4?

• 6

• 4

• 3

• 12

Multiple Choice

Multiply. 5 x 1/8 =

• 51/8

• 5 1/8

• 5/8

• 6/8

Multiple Choice

• 11/14
• 12/21
• 21/40
• 28/30

Multiple Choice

• 2/45
• 1  3/4
• 10/45
• 1  1/9

Multiple Choice

To multiply two fractions...

• multiply the numerators and keep the denominators constant.

• multiply the numerators and multiply the denominators.

• keep the numerators constant and multiply the denominators.

• guess and check.

Multiple Choice

To multiply two fractions...

• multiply the numerators and keep the denominators constant.

• multiply the numerators and multiply the denominators.

• keep the numerators constant and multiply the denominators.

• guess and check.

Multiple Choice

5 ÷ ⅕

• ⅕
• 1/25
• 5
• 25

Multiple Choice

What is the rule for dividing fractions?

• keep, change, opposite

• keep, change, flip (reciprocal)

• keep, keep, change

• keep, keep, opposite

Multiple Choice

¹/₄ ÷ ¹/₂

• ²/₆

• ¹/₈

• ³/₅

• ²/₄

Multiple Choice

¹/₄ ÷ ¹/₂

• ²/₆

• ¹/₈

• ³/₅

• ²/₄

Multiple Choice

What is the place value name of the digit 6 in the number below?
247.167

• tenths
• tens
• hundredths
• hundreds

Multiple Choice

What is the standard form of three and six hundred fourteen thousandths?

• 3.614

• 3.0614

• .3614

• 30.614

Multiple Choice

What is the standard form of three and six hundred fourteen thousandths?

• 3.614

• 3.0614

• .3614

• 30.614

Multiple Choice

6.7 - 2.33=

• 4.43
• 4.4
• 4.37
• 4.47

Multiple Choice

7.2 - 4.3=

• 2.9
• 3.9
• 3.1
• 2.1

Multiple Choice

5.66 + 4.25=

• 10.91

• 9.91

• 8.91

• 9.90

Multiple Choice

5.66 + 4.25=

• 10.91
• 9.91
• 8.91
• 9.90

Multiple Choice

0.3 x 0.5

• 0.15
• 1.5
• 15
• 150

Multiple Choice

4.2 x 0.7 =

• 2.94 
• 29.4
• 2.73
• 27.3

Multiple Choice

0.2 x 0.8

• 16

• 0.16

• 0.016

• 1.6

Multiple Choice

0.2 x 0.8

• 16

• 0.16

• 0.016

• 1.6

Poll

I feel _________ about fractions and decimals.