Dividing by Powers of 10
Word Problems
Expressions
Area and Perimeter
Estimating Quotients
100

2.3 ÷ _______________ = 0.023

100 or 102

100
Ms. Petterson uses 5 feet of ribbon for a class project.  How many inches did Ms. Petterson use?

60 inches

100

This is a two-part question: 

1. Write the expression for the following: 12 times the sum of 3.4 and 3.8

2. Find the value of the expression. 

1. 12 x (3.4+3.8)

2. 86.4

100

A rectangular playground has an area of 3,392 square meters. If the width of the rectangle is 32 meters, find the length.

106 meters

100

16.45 ÷ 4

16 ÷ 4 = 4

200

583.2 ÷ _______________ = 58.32

10 or 101

200

If Ms. Petterson uses 5 feet of ribbon each week, how many inches of ribbon will she use in 4 weeks?

She will use 240 inches in 4 weeks.

200

This is a two-part question: 

1. Write the following expression in words: 

27 x (30 - 5)

2. Find the value of the expression.

1. 27 times the difference between 30 and 5

2. 675

200

The area of a rectangle is 56.96 m2. If the length is 16 m, what is its perimeter?

The width would be 3.56 m. Therefore, the perimeter would be 16+16+3.56+3.56= 39.12 meters

200

14.63 ÷ 6

14 ÷ 6 = about 2

300

7,650 ÷ _______________ = 7.65

1,000 or 103

300

A desk in 5th grade measures to be 84 cm wide. What is that in meters?

0.84 meters

300

This is a two-part question:

1. Write the expression for the following: 

Divide the difference between 1400 and 800 by 5

2. Find the value of the expression. 

1. (1400 - 800) ÷  5

2. 120

300

The area of a rectangle is 256.5 m2. If the length is 18 m, what is the perimeter of the rectangle?

The width of the rectangle would be 14.25 m. Therefore the perimeter would be 14.25+14.25+18+18= 64.5 m

300

89.92 ÷ 18

90 ÷ 18 = 5

400

1,025 ÷ _______________ = 10.25

100 or 102

400

If each desk in the classroom is 84 cm.  And there are 33 desks in the classroom.  What is the length of all the desks combined in meters.

27.72 meters.

400

This is a two-part question: 

1. Write the following expression in words: 

10 X (320 - 85)

2. Find the value of the expression.

1. 10 times the difference between 320 and 85. 

2. 2,350

400

A rectangular playground has an area of 2,996 square meters. If the width of the rectangle is 28 m, find the length.

107 Meters

400

36.74 ÷ 15

40 ÷ 20 is around 2

500

63 ÷ _______________ = 0.063

1,000 or 103

500

Adam has 16.45 kg of flour, and he uses 6.4 kg to make hot cross buns. The remaining flour is exactly enough to make 15 batches of scones. How much flour, in kg, will be in each batch of scones?

16.45 – 6.4 = 10.05

10.05 ÷ 15 = 0.67 kg

500

This is a two-part question: 

1. Write the following expression in words: 

(680 + 590) X 17

2. Find the value of the expression.

1. The sum of 680 and 590 multiplied by 17. 

2. 21,590

500

If the area of a rectangle is 1313.2 square meters and the length is 2 meters, what is the perimeter?

The width of the rectangle would be 656.6 m, therefore the perimeter would be 656.6+656.6+2+2 = 1317.2 m.

500

1875 ÷ 594

1,800 ÷ 600 = 3

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