Mental Maths - Length and Measure

78 m - 69 m =

• 10 m

• 1 m

• 9 m

• 143 m

Mario has 2 pictures. One of them is 20 cm and the other 64 cm. What is the length of the two pictures put together?

• 82 cm

• 100 cm

• 81 cm

• 84 cm

Which unit is the smallest?  

• km
• mm
• m
• cm 

Tags

CCSS.4.MD.A.1

4 cm = ___mm

• 400

• 40

• 4

• 4,000

How long would each side of a square be if the perimeter was 16cm?

• 4 cm

• 8 cm

• 6 cm

• 16 cm

How many pencils, each 20 cm long, must be laid end to end to reach one metre?

• 10 pencils

• 50 pencils

• 5 pencils

• 100 pencils

The distance around the outside of a 2D shape is called its …

• a.) perimeter

• b.) side

• c.) area

• d.) length

What is the perimeter of this shape?

• 60m

• 20m

• 30m

• 200m

What is the perimeter of this shape?

• 30cm

• 32cm

• 60cm

• 20cm

Tags

CCSS.3.MD.D.8

What is the perimeter of this figure

• 22cm

• 21cm

• 18cm

• 20cm