Subtraction Problems
12-7= ____
5
Chase had 67 dog treats. He gave 29 to his dog. How many treats does Chase have left?
38 treats
Round the numbers to the nearest ten and then subtract.
89-32= _____
90-30= 60
What does the word estimate mean?
To make an educated guess
19-6=______
13
56 - 32 = _______
24
Flynn had a goal of making 842 hoops this year. So far, he has made 367 hoops. How many more hoops does Flynn need to make to reach his goal?
475 hoops
Round each number to the nearest ten and then find the difference.
42-31= _______
40-20= 10
What do you have to do when you estimate?
49 - 23 = ______
26
82 - 27 = _______
55
Larry had 76 cookies. At the party, the guests ate 34 cookies. About how many cookies does Larry have left?
80-30= 50 cookies
486 - 324 = __________
500-300=200
Estimate or Exact Number:
There are about 400 rain storms in the west each year.
Estimate
92 - 74 = ______
18
584 - 261 = ______
323
Karen had 622 dollars before she went shopping. She spent 294 dollars. About how many dollars does she have left?
600-300= 300 dollars
Round to the nearest hundred and then find the difference.
257 - 162 = ______
300-100=200
Estimate or Exact Number?
64 cars drove by my house tonight
Exact Number
482 - 325 = ________
157
731 - 474 = ______
257
Luke had 78 ornaments for his tree. He hung 32 ornaments on the tree. How many ornaments does he still have to hang on the tree?
78-32= 46 ornaments
Round to the nearest ten and then find the difference.
841 - 677 = _______
840-680= 160
Estimate or Exact Number?
I hiked about 70 miles this season.
Estimate
572 - 374 = _________
198