Expanded Form
200 + 30 + 3 =
45 + 23
68
98-27
71
There are 127 balloons. 22 pop. How many are left?
105 balloons
Round to the nearest 10:
55
Remember: 4 or less, let it rest.
5 or above, give it a shove!
60
60 + 2
62
22 + 65
87
63-41
22
There are 157 cars in the parking lot. 35 leave. A couple minutes later, 12 more leave. How many are left?
110
Round to the nearest 10:
43
40
1,000 + 400 + 30 + 1
1,431
55 + 75
130
87-69
18
There are 64 people waiting in line for food. 10 leave. 23 people get their food. How many people are still waiting in line?
31
Round to the nearest 100:
297
300
What is 2,763 in expanded form?
2,763
485 + 357
842
566-213
353
There are 453 trees in the field. 225 are cut down. How many tree are left?
228
Round to the nearest 100:
336
300
What is 459 in expanded form?
400 + 50 + 9
722 + 357
1,079
841-337
504
There are 172 papers in the pile. The teacher hands back 53 papers. Meanwhile, 20 more students hand in papers. How many papers are left for the teacher to grade?
139
Round to the nearest 10:
345
350