2G and 3D Review

The length of Valerie's driveway is 15.4 meters. Which fraction is equivalent to 15.4?

• 15/40

• 4/15

• 154/10

• 15/100

Answer explanation

The length of Valerie's driveway is 15.4 meters, which is equivalent to the fraction 154/100 when simplified.

Which equation shows a decimal and a fraction that are equivalent?

• 24.22 = 24/22

• 2.4 = 24/10

• 24.2 = 2/100

• 2.42 = 242/100

Answer explanation

The correct choice is 24.02 = 24/10 because it represents the decimal 24.02 as a fraction with an equivalent value.

Which decimal is equivalent to 35/100?

• 35.100

• 3.5

• 0.35

• 0.035

Answer explanation

The correct decimal equivalent of 35/100 is 0.35. To get this, divide 35 by 100 which equals 0.35.

Which fraction is equivalent to 1.2?

• 10/12

• 12/10

• 12/100

• 100/12

Answer explanation

The fraction equivalent to 1.2 is 12/10 because 1.2 can be simplified to 12/10 by moving the decimal point one place to the right.

Pablo has painted 7/10 of his bedroom ceiling. Which decimal represents the part of the ceiling Pablo has painted?

• 0.07

• 7.1

• 7.01

• 0.7

Answer explanation

To represent 7/10 as a decimal, you move the decimal point one place to the left, resulting in 0.7. Therefore, 0.7 is the decimal that represents the part of the ceiling Pablo has painted.

Which decimal numbers are equivalent to 𝟏𝟔/𝟏𝟎 ?

• 1.06

• 1.60

• 0.6

• 1.6

Answer explanation

The decimal numbers equivalent to 16/10 are 1.60 and 1.6 because they represent the same value in different decimal formats.

Danika filled a bathtub with 37.8 liters of water. Which fraction is equivalent to this number?

• 37/10

• 8/8

• 37/100

• 378/10

Answer explanation

The correct fraction equivalent to 37.8 liters is 378/100, as 37.8 can be written as 378/100 when simplified.

This shaded model represents one whole. Which decimal and fraction represent the shaded amount of this model?

• 2.5 and 25/10

• 2.05 and 2/100

• 2.05 and 5/10

• 5.5 and 5/10

Answer explanation

The shaded model represents 2.05, which is equivalent to 2/10. Therefore, the correct decimal and fraction are 2.05 and 2/10 respectively.

Which decimal is equivalent to 18/100?

• 0.18

• 1.8

• 18.100

• 0.018

Answer explanation

The correct decimal equivalent of 18/100 is 0.18 because you move the decimal point two places to the left when converting a fraction to a decimal.

Which fraction is equivalent to 1.5?

• 10/15

• 15/100

• 15/10

• 100/15

Answer explanation

The fraction equivalent to 1.5 is 15/10 because when you simplify it, 15 divided by 10 equals 1.5.