Unit 2

How many zeros at the end of 2500 times 60？

• 3

• 4

• 5

• 6

Which one is the correct unit of speed?

• 6 mins

• 4 hours

• 72 hours/metre

• 800 metres/minutes

5465  ÷  54 =

• 100 r65

• 101 r9

• 101 r11

• 100 r11

• 50

• 500

• 20

• 200

• 140 r10

• 140 r1

• 14 r10

• 14

Fill in the blank with
the greatest number:( ) × 14 ＜790

• 55

• 56

• 57

• 58

750 ÷ 15 × 20 =

（use smart calculation if possible）