Round 56 to the nearest 10.
60
329 + 113 = 330 + ______
112
674-637=37
236+499
735
182-117
65
Round 524 to the nearest 100.
500
223 - 109 = 122 - _____
108
Oskar and Emma are collecting pretty rocks. They had 363 rocks. They gave 94 away to a museum, but collected 26 new rocks. How many do they have now?
Write and solve the equation.
363-94+26=295
57+39
96
8
Round 356 to the nearest 100.
400
763 + 429 = _______ + 430
762
Which two numbers have a sum closest to 1,000?
560
400
270
442
560 + 442
236+462
698
224-24
199
Round 535 to the nearest 10.
540
843-129=_____-130
844
Which equation does not match the rest?
674-637=b
637+674=b
674-b=637
637+b=674
637+674=b
405+198
603
72-15
57
Round 2,861 to the nearest 10.
2,860
562- 245 = 560 - ______
243
Which two numbers below have a sum closest to 700?
560
400
270
442
400+270
1,236+222
1,458
1,238-222
1,016