Comparing using standard units

If Tim caught a fish that is 45 cm long and Jon caught one 18 cm longer than Tim:-

1. Who has the longer fish?

• Jon

• Tim

• Both fish is the same length

The first ruler is 12 cm long. The second ruler is 28 cm long. How longer is the second ruler than the first ruler?

• 12+28= 40

• 28-12= 16

• 28-12= 17

How shorter is pencil A than pencil B?

• 8 cm- 5 cm= 3 cm

• 8-5=3

• 5 cm+8 cm= 13 cm

The ruler is 17 inches and the eraser is 4 inches. How much shorter is the eraser than the ruler?

• 13 cm

• 21 inches

• 13 inches

Sarah threw a beanbag 120 m across the room. Tom then threw another 147 m. How further did Tom beanbag go than Sarah?

• 127 m

• 27 m

• 267 m

If the shoes at number 1 and 4 is joined together in centimetres. How much longer would it be than the shoe at number 2?

Which equation is correct?

• 4+12=16-7=9

• 12 cm + 4 cm= 16 cm - 7 cm= 9 cm

• 12 cm+4 cm + 7 cm= 23 cm