Find the Difference
Estimate
Word Problems
Vocabulary
Subtract across zeros
100

86 - 44

42

100

Round to the nearest 100 then subtract:

975 - 368

600

100

A school bus picks up 8 students at the first stop, 12 students at the second stop, and 11 at the last stop. About how many students got on the bus?

About 30

100

 A number close to the exact number is called: _____

an estimate

100

800 - 424

376

200

179 - 132

47

200

Round to the nearest ten and subtract:

48 - 22

30

200

Mr. Petersen has $82. Does he have enough money to buy a $26 sweatshirt and a $58 jacket?

No, the two items cost $84, so he needs $2

200

an operation that tells the difference, when some or all are taken away.

subtraction

200

3,000 - 1,756

1,244

300

4,714 - 2,387

2,327

300

Round to the nearest 100 then subtract:

732 - 289

500

300

Toby counted 89 cars on his way to school. He counted 75 cars on the way home. How many more cars did he count on his way to school than on his way home?

6  cars

300

a number sentence in which one quantity is taken away from another quantity

a subtraction sentence

300

604 - 222

382

400

1,436 - 849

587

400

Round to the nearest 10 then subtract:

644 - 328

310

400

I had $4,235 in my bank account. After paying bills, I had $1,382. How much were all of the bills I had to pay?

$2,853

400

the answer to a subtraction problem

difference

400

1,300 - 981

319