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Fraction Power
Decimal Detectives
Geometry Zone
Number Sense
Lessons 40 - 50
100

What is 3/4 of 20?

15

100

4.5 + 2.2 =

6.7

100

Find the perimeter of a rectangle: 4 cm × 9 cm

26 cm

100

What digit is in the hundredths place in 7.496?

9

100

0.5 – 0.35 =

0.15

200

Write 0.25 as a fraction (simplified).

1/4

200

6 − 3.75 =

2.25

200

Find the area of a 6 × 8 rectangle

48

200

Write 3,500 in expanded form

3000 + 500

200

Convert 0.6 to a fraction

3/5

300

Simplify: ⅔ × ⅖

4/15

300

0.6 × 0.8 =

0.48

300

If the radius is 6, what is the diameter?

12

300

Put in order: 0.8, 0.68, 0.75

0.68, 0.75, 0.8

300

LCM of 4 and 6

12

400

How many ⅖ are in 4?

10

400

Round 4.267 to the nearest tenth

4.3

400

Find the circumference if the diameter is 4

12.56

400

What is 25% of 200?

50

400

Write 45% as a decimal

0.45

500

Which is greater: ⅔ or ¾?

3/4

500

(1.5)² =

2.25

500

A square has an area of 64. How long is one side?

8

500

Is 117 divisible by 9? Why?

Yes! 1 + 1 + 7 = 9 and 9 is divisible by 9 

500

A circle graph shows 25% blue. What fraction is that?

1/4