Subtraction
298 - 157 = ____
141
7,490 - 4,270 = _____
3,220
100 - 35 = ____
65
Estimate. Round to the greatest place value then subtract.
56 - 34 = _____
60 - 30 = 30
Round to the greatest place value and subtract.
3,928 - 1,048 = _________
4,000 - 1,000 = 3,000
492 - 264 = _____
228
6,492 - 1,335= ____
5,157
400 - 157 = _____
243
Estimate. Round to the greatest place value then subtract.
571 - 402 = _____
600 - 400 = 200
103 - 48 = ______
103 - 48 = 55
610 - 124 = ____
486
888
1,800 - 743 = ____
1,057
Estimate. Round to the indicated place value then subtract. Hundreds.
721 - 173 = ____
700 - 200 = 500
Do you need to find an estimate or an exact answer?
There are 382 students at Sandy Grade and 412 students at Kelso. About how many more third graders are there at Kelso?
Estimate! It says about!
Bonus: The answer is...about 20.
237 - 199 = ____
38
3,201 - 1,380 = _____
1,821
4,000 - 254 = _____
3,746
Estimate. Round to the hundreds place value then subtract.
3,259 - 2,799 = _____
3,300 - 2,800 = 500
There are 26 Skittles in a bag. There are 48 M&M's in the same bag. About how many more M&M's are there than Skittles in the bag?
48 rounds to 50
26 rounds to 30
50 - 30 = 20
There are about 20 more M&M's than Skittles in the bag.
Dylan rode his bike for 157 minutes last week and 123 minutes this week. How many more minutes did he ride his bike last week than he did this week?
157 - 123 = 34
Dylan rode his bike for 34 more minutes last week.
5,302 - 2,438 = _____
2,864
2,001 - 1,953 = ____
48
Estimate. Round to the tens place then subtract.
5,314 - 125 = _____
5,310 - 130 = 5,180
Everyone gets 500 points!
WOOHOO!