Addition
Estimate sums
Estimate differences
Word problems/properties
Subtraction
100

100,112 + 5,678,893

5,779,005

100

Estimate the sum to the nearest hundred: 

2,467+485

3,000

100

Estimate the difference to the nearest tens: 

345-123=

230

100

Which property?

0+1,234=1,234

Identity 

100

900-123

777

200

1,982,195+23,944

2,006,139

200

Estimate the sum to the nearest thousand: 

294,855+38,485

333,000

200

Estimate the difference to the nearest hundred: 

29,123+1,048

30,000

200

Which property?

34+23=23+34

Commutative

200

1,643-666

977

300

1,999,999+2,777

2,002,776

300

Estimate the sum to the nearest millions:

3,945,581+999,999=

5,000,000

300

Estimate the difference to the nearest hundreds: 

3,950-2,458

1,500

300

Fill in the blank:

1+(45+4)=(1+4) ____

45

300

1,200,003-34,567

1,165,436

400

15,463+2,734+1,799

19,996

400

Estimate the sum to the nearest tens: 

374+384+485+291=

1,530

400

Sam had 945 tickets to sell. He sold 343 to his parents. How many does he have left?

602

400
1,934-724=

1,210

500

29,475,777+28,374

29,504,151

500

Estimate the sum to the nearest hundred thousands: 

1,234,567+678,953

1,900,000

500

Bren went shopping and had some money in her account. She spent $5 on cookies, $12 on a brush, and $19 on a dress. She now has $17 left. How much did she have at the beginning of her shopping trip. 

$53

500

4,851,000-345

4,850,655

M
e
n
u