exercise unit 1

• 0.9

• 0.09

• 9

• 90

what is the value of the underlined digits? (29.4)

• 900

• 90

• 9

• 0.9

what is the place value of underline number? (360.5)

• hundreds

• tens

• ones

• tenths

decompose this number ! (365.7)

• 30 + 60 + 5 + 7

• 300 + 60 + 50 + 0.7

• 300 + 60 + 5 + 0.7

• 300 + 600 + 50 + 0.7

450 : 100 = ...

• 450

• 45

• 4.5

• 0.45

37 x 100 = ...

• 37

• 370

• 3700

• 37000

counting back in 10 from 9!

• 1

• -1

• 10

• 5

counting on 8 from - 32 !

• 25

• 24

• 40

• 50

find the missing terms for these linear sequence !

20 , ...... , 12, ......

• 16 and 8

• 14 and 8

• 17 and 5

• 19 and 9

find the rues for these linear sequence !

(1, ......., 9, ........ , 17)

• • + 4

• • + 5

• • - 5

• • - 4