Operations on Rational Numbers

Which of the following are similar fractions?

• A. 1/2 , 1/3 , 1/4

• B. 1/3 , 2/3 , 3

• C. 1/7 , 2/3 , 3/4

• D. 1/9 , 4/9 , 5/9

Tags

CCSS.3.NF.A.3

Express your answer in lowest term.

Add 3/8 and 1/8.

• A. 4/8

• B. 1/2

• C. 1/3

• D. 2/8

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.3

What is the least common denominator of 1/3 , 1/2 and 1/4 ?

• A. 6

• B. 8

• C. 12

• D. 24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Subtract 1/6 from 5/6 .

• A. 1/6

• B. 1/2

• C. 2/3

• D. 1/3

Tags

CCSS.3.NF.A.1

Nancy bought 4 3/4 kilos of chicken and gave 1 1/2 kilos to her friend. How many kilos of chicken was left?

• A. 3 1/4

• B. 4 3/4

• C. 3 3/4

• D. 4 1/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Find the sum of 15.789, 2.51 and 6.5.

• A. 2.4799

• B. 24.799

• C. 247.99

• D. 2479.9

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

Subtract 0.67 from 0.93.

• A. 0.06

• B. 0.16

• C. 0.26

• D. 0.36

Tags

CCSS.5.NBT.B.7

Simplify: 1.039 + 0.92 -1.82

• A. 0.069

• B. 0.139

• C. 0.269

• D. 0.369

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

A biscuit factory originally packaged 0.65 kg of crackers per box. To increase profitability, the company reduced the weight by 0.035 kg. What is the new weight per pack?

• A. 0.516

• B. 0.561

• C. 0.615

• D. 0.651

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

Rollie earns Php 8,000.78 per month as a basic salary. In addition, Php 5,725.53 as commission and Php 852.35 as overtime pay in January. How much did he earn that month?

• A. Php 14 578.66

• B. Php 19 758.66

• C. Php 13 785.66

• D. Php 20 875.66

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7