Addition
Subtraction
Estimation
Word Problems
Problem Builders
100

1349 + 8236

9585

100

4782 - 1937

2845

100

Use rounding to find an estimate.

7269 + 1203

Example: 

7300 + 1200 = 8500

100

Amaya has $2395 in the bank. She deposits $7108 today. How much money does Amaya have?

$9503

100

Make a problem with 743 - 234. Solve it.

500

200

3467 + 9702

13169

200

7813 - 5541

2272

200

Use rounding to find an estimate.

19268 - 4629

Example: 

19000 - 5000 = 14000

200

 The school choir raises $3410 for a new volleyball net. The volleyball net costs $10000. How much more money does the choir need to raise?

$6590

200

Make a problem with 64000 + 3000. Solve it.

67000

300

12783 + 4523

17306

300

14562 - 7499

7063

300

Use rounding to find an estimate. 

82341 + 6729 - 45239

Example: 

82000 + 7000 - 45000 = 44000

300

Aru and Justin are designing a new room in Aru's house. They have $5000 to spend. A couch costs $3522 and a rug costs $1032. How much money will they have leftover?

$446

300

Make a problem with 4291 + 389 - 2380. Solve it.

2300

400

25301 + 36829

62130

400

85433 - 65140

20293

400

Use rounding to find an estimate. 

5298 + 2361 - 4212 + 12037

Example:

5300 + 2400 - 4200 + 12000 = 15500

400

Gladys and Ainsley are making friendship bracelets. Gladys buys 42403 blue beads and Ainsley buys 27489 yellow beads. How many beads do they have in total?

69892 beads

400

Make a problem with 25000 - 12000 + 5600. Solve it.

18600

500

46310 + 52100

98410

500

99923 - 61025

38898

500

Use rounding to find an estimate. 

85202 - 37892 + 53920

Example: 

85000 - 38000 + 54000 = 101000

500

Zahra has 45921 Robux. She spends 24593 Robux. Then, Ryan gifts her another 32931 Robux. How many Robux does she have?

54259 Robux

500

Make a problem with 58291 + 23551. Solve it.

81842