Addition Jeopardy-Different Strategies

Place Value

100

389

Place Value of the 8

Tens

200

1,297

Place Value of the 7

Ones

300

1,407 

Place Value of the 1

thousands

400

568

Place value of the 5 

hundreds

Rounding

100

568 

Rounded to the nearest ten

570

200

253

Rounded to the nearest hundred

300

300

734

Rounded to the nearest 10

730

400

389 

Rounded to the nearest ten

390

500

682

Rounded to the nearest hundred

700

Adding By Place Value

100

736+162=

898

700+100=800

30+60=90

6+2=8

200

328+462=

790

300+400=700

20+60=80

8+2=10

300

135+254=

389

100+200=300

30+50=80

5+4=9

400

430+263=

693

400+200=600

30+60=90

0+3=3

Breaking One # Apart

100

431+235=

666

431+200=631

631+30=661

661+5=666

200

348+251=

599

348+200=548

548+50=598

598+1=599

300

310+238=

548

238+300=538

538+10=548

400

409+215=

624

215+400=615

615+9=624

Standard Algorithm

100

438+164=

602

200

138+204=

342

300

275+382=

657

400

789+368=

1,157

Partial Product

100

134+259=

393

200

328+216=

544

300

459+386=

845