Revision Chapter 6 - Length

Revision Chapter 6 - Length

Mathematics

Primary 3

Monday - 26/10/2020

Revision Part 1

-Converting units of Length -

Fill in the Blank

1 m = ? cm

Fill in the Blank

How to convert from m to cm ?

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How to convert from cm to m ?

IMPORTANT POINTS

• 1 m = 100 cm

• m -> cm ( x 100)

• cm -> m (  $\div$  100)

Multiple Choice

Convert 1m 22cm to cm

• 122m

• 122cm

• 22cm

• 100cm

Multiple Choice

Convert 507cm to m and cm

• 5m 7cm

• 50m 7 cm

• 507m

• 57m

Fill in the Blank

Convert 6 700cm to m

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Convert 17 m to cm:

Multiple Choice

A car is about 6 cm or 6 m long?

• 6 cm centimeters

• 6 m meters

Multiple Choice

Would you measure using centimeter (cm) or meter (m) for something long?

• centimeter (cm)

• meter (m)

Multiple Choice

Would you use centimeter (cm) or meter (m) to measure?

• centimeter (cm)

• meter (m)

Multiple Choice

Would you use centimeter (cm) or meter (m) to measure?

• centimeter (cm)

• meter (m)

Multiple Choice

Would you use centimeter (cm) or meter (m) to measure something short/small?

• centimeter (cm)

• meter (m)

Revision Part 2

-Addition of Length-

Multiple Choice

70 cm + 15 cm = ________ cm

• 85

• 22.3

• 55

• 15.1

Fill in the Blank

The total length of the two tapes is ____ cm.

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Belt A is 88 cm long. Belt B is 95 cm long. Find the total of Belt A and B?

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Aini's bear is 22 cm tall. Caili's bear is 19 cm taller than Aini's. How tall is Caili's bear in cm?

Revision Part 3

-Subtraction of Length-

Fill in the Blank

 $30\ m\ 58\ cm\ -23\ m\ 77\ cm\ =\$  

Revision Part 4

-Multiplication of Length-

Multiple Choice

 $4\ \times15\ m\ =$  

• 60

• 60 m

• 120 m

• 45 m

Multiple Choice

 $5\ \times84\ cm=$  

• 42 cm

• 420 cm

• 240 

• 420

Multiple Choice

 $14\ m\ \times3\ =$  

• 42 m

• 42 cm

• 32 m

• 23 m

Fill in the Blank

 $15\ m\ \times6\ =$  

Revision Part 5

-Division of Length-

Fill in the Blank

 $8\ m\ 10\ cm\ \div9\ =$  

(give answer in cm)

Fill in the Blank

 $7\ m\ 28\ cm\ \div2\ =$  
(give answer in cm)

THANK YOU :D