3 Digit Subtraction
Subtraction with Borrowing
Estimating Differences
Subtracting Across Zero
Mixed Review
100
378-255
123
100
77-19
58
100
Estimate the difference by rounding each number to the nearest ten.
481 - 115
360
100
400 - 228
172
100
Mia did the following math:
524
-141
423
Is Mia correct? Why?
No, Mia needed to borrow in the tens place - she just flipped the two numbers, but subtraction is not commutative.
200
267 - 42
225
200
555-189
366
200
Estimate the difference by rounding each number to the nearest ten.
363 - 181
180
200
603 - 215
388
200
Round 367 to the nearest hundred.
400
300
622-312
310
300
427-163
264
300
Estimate the difference by rounding each number to the nearest hundred.
675 - 213
500
300
504 - 397
107
300
Which property of addition is shown below?
3 + 4 = 4 + 3
Commutative Property
400
A town library had 679 CDs for rent. During one week, 288 of them were rented. How many CDs were left?
391 CDs
400
A football team scored 529 points one season and then 376 points the next. How many less points did the team score in the second season?
153 points
400
On Monday 482 people went to the grocery store. On Tuesday 913 people went. About how many more people went to the store on Tuesday than Monday? Round to the nearest hundred.
400 people
400
Lauren has 902 video games. Katy has 375 video games. How many more video games does Lauren have than Katy?
527 video games
400
Which property of addition is shown below?
(23 + 44) + 16 = 23 + (44 + 16)
Associative Property
500
On Friday 537 people attended a play. On Saturday, there were 748 people. How many more people attended the play on Saturday than Friday?
211 people
500
Texas has 254 counties and California has 58 counties. How many more counties does Texas have than California?
196 counties
500
Monroe, NY has an elevation of 234 feet. Warwick, NY has an elevation of 356 feet. Estimate the difference in elevation between the two towns by rounding to the nearest ten.
130 feet
500
Party Palace has an order for 505 party favors. It packages 218 party favors on Saturday. How many more party favors does it still need to package?
287 party favors
500
Draw a part, part, whole bar model for the following equation and solve:
632 - 267
