Add mixed numbers

1 TeddyandMoareaddingmixednumbers.

Whosemethoddoyouprefer?

Talkaboutitwithapartner.

2 Completethecalculations.

a) 125

+2310

= b) 225

+2310

=

c) 134

+3320

= e) 414

+21116

=

d) 13

16+43

4= f) 1

415

+323

=

3

HowcanRonimprovehisanswer?

4 Completetheadditions.

a) 234

+3512

= b) 323

+2712

=

©WhiteRoseMaths2019

3 14

+ 2 58

= 5 + 78 = 5 7

8

Teddy

3 14

+ 2 58

= 268

+ 218

= 478

= 5 78

Mo

2 35

+ 1 710

= 3 + 1310

= 3 1310

©WhiteRoseMaths2019

c) 516

+31112

= d) 67

15+33

5=

5 Ablueribbonis249

metreslong.

Ayellowribbonis323

metreslong.

a) Whatisthetotallengthoftheblueandyellowribbon?

m

b) Aredribbonis1518

metreslongerthantheyellowribbon.

Howlongistheredribbon?

m

6 Calculatetheperimeterofthetriangle.

cm

7 Completethecalculationinthreedifferentways.

5 + 15 =6+1115

=

5 + 15 =6+1115

=

5 + 15 =6+1115

=

Compareanswerswithapartner.

8 Herearesomenumbercards.

316

21112

256

356

4112

413

a) Whatisthegreatesttotalyoucanmakewithtwocards?

b) Whatisthesmallesttotalyoucanmakewithtwocards?

61114

cm

327

cm

847

cm