Basic Addition
259 + 518
= 777
Solve using partial sums.
356 + 123
356
+ 123
_____
9
70
+ 400
_____
479
Solve by regrouping through base 10 blocks.
538 + 419
= 967
684 - 325
= 359
Morgan practices gymnastics for 265 minutes. Rone practices karate for 133 minutes. How many more minutes did Morgan practice than Rone?
132 more minutes
321 + 713
= 1,034
Solve using partial sums.
550 + 423
550
+ 423
_____
3
70
+ 900
_____
973
Solve by regrouping through base 10 blocks.
415 + 198
= 613
852 - 637
= 215
Logan has 193 Needohs. Mackenzie gives Logan 418 more. Then, Logan gives 352 Needohs to Ayaan. How many Needohs does Logan have left?
259 Needohs
510 + 294
= 804
Solve using partial sums.
185 + 613
185
+ 613
_____
8
90
+ 700
_____
798
Solve by regrouping through base 10 blocks.
678 + 129
= 807
900 - 372
= 528
Lucas throws the football 421 times. Wrigley throws the football 216 times. Jackson throws the football 354 times. How many times was the football thrown altogether?
991 times
746 + 641
= 1,387
Solve using partial sums.
730 + 168
730
+ 168
_____
8
90
+ 800
_____
898
Solve by regrouping through base 10 blocks.
118 + 335
= 453
600 - 352
= 248
Harper has 894 cats. She gives 325 to Sadie. Then, Harper adopts 147 more cats. How many cats does Harper now have?
716 cats
165 + 213
= 378
Solve using partial sums.
273 + 179
273
+ 179
_____
12
110
+ 300
_____
422
Solve by regrouping through base 10 blocks.
276 + 248
= 524
456 - 264
= 192
Mrs. Phinney has 257 dogs. Then, she gets 134 more dogs. Then, she gives 223 dogs away. How many dogs does she have left?
168 dogs