Measurement
Mental Math
Equivalent Fractions
Name My Factors
100

Which is bigger, 200cm or 200m

200m

100

20x10=

200

100
are 1/3 and 2/6 equivalent

yes

100

7

7 and 1

200

How many centimeters are in 20 meters?

2000 centimeters

200

300/3

100

200

are 25/50 and 1/2 equivalent

yes

200

21

1,3,7,21

300

How many feet are in 2 yards?

6 feet

300

70x20

1400

300

A fraction equivalent to 1/3

answers will vary

300

24

1,2,3,4,6,8,12,24

400

If I want to measure the area of my room, what metric units would I use?

square meters

400

7x10x2

140

400

a decimal equivalent to 1/2

.5

400

What is a number called with no factors other than one and itself?

a prime number
500

Sally has fifteen meters of tape.  If she marks off every three centimeters of tape to cut, how many pieces of tape will she have?

500 Pieces of tape

500

4x21

84

500

Jamie has 64 pancakes and gives 1/8 of them away to his sister.  How many does he have left

56 pancakes

500

Name two composite numbers and their factors

answers will vary

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