Multiply by 100

1 Completethecalculationshowninbase10

3×1hundred= hundreds

3×100=

2 Completethenumbersentences.

a) 2×100= d) 5×100=

b) 4×100= e) 100×10=

c) 100×8= f) =20×100

3 Thereare7boxesof100crayons.

Circlethecalculationsthatworkoutthetotalnumber

ofcrayons.

100+7100×77+1007×100

4 Matchtheimagestothecalculations.

Completethecalculations.

9×100=

6×100=

12×100=

5 Completethecalculations.

a) 32×100= d) 5×7×100=

b) 29×100= e) ×100=6,500

c) 100×72= f) 100× =3,000

©WhiteRoseMaths2019

100crayons100 100

crayons100 100crayons100 100

crayons100 100crayons100 100

crayons100 100crayons100

100crayons100 100

crayons100 100crayons100

100crayons100 100

crayons100 100crayons100

100pins100

100pins100

100pins100

100pins100

100pins100

100pins100

100pins100

100pins100

100pins100

100 100 100 100 100 100

100 100 100 100 100 100

8 Amirthinksofa2-digitevennumber.

Hemultipliesitby100

Hisanswerisgreaterthan3,450butlessthan3,750

WritethenumberthatAmiristhinkingof.

9 Fourchildrenaremakingnumbersusingbase10

Thetableshowshowmanyofeachpiecetheyuse.

Numberof100s Numberof10s

Eva 17 0

Ron 15 8

Dexter 16 15

Whitney

a) WhatnumberhasEvamade?

b) Whohasmadethebiggestnumber?

c) WhitneyhasmadethesamenumberasEva.

Sheused100sand10s.

WhatpiecescouldWhitneyhaveused?

Writeyouranswerinthetable.

Arethereanyotheranswers?Talkaboutitwithapartner.

6 Calculatetheperimeteroftherectangle.

Giveyouranswerincentimetres.

Theperimeteroftherectangleis cm

7 Write<,>or=tocomparethestatements.

a) 45×100 45×10

b) 36×100 100×36

c) 100×27 26×100

d) 31×100 31×10×10

e) 30×10 3×100

©WhiteRoseMaths2019

5m

3m