Mental Math
54 − 28
26
72 − 41
31
58 − 29
29
Liam had 65 stickers. He gave 23 to a friend. How many stickers does he have left?
42 stickers
What is the value of the 3 in the number 539?
30
82 − 47
64 − 22
42
91 − 47
44
A zoo has 84 birds. 46 fly away. How many are still there?
38 birds
Put these numbers in order from least to greatest:
274, 482, 519
145 − 36
109
843 − 321
522
523 − 278
245
A classroom had 240 markers. Students used 118 of them. How many remain?
122 markers
Round 284 to the nearest ten.
280
260 − 135
125
651 − 230
421
814 − 569
245
A bus can hold 350 people. There are 178 on board. How many more can fit?
172 people
67 + 45
112
403 − 178
225
1,245 - 231
1,014
903 − 487
416
A store had 560 Pokémon cards. They sold 289. How many are left?
271 Pokemon cards
348 + 276
624