Make 100 and subtract
173-99 would turn into 174-100 so 173-99= ?
74
35-6=?
40-10 =30
Ms. E saved $132 in May and $173 in June. How much more money did she save in June than in May?
173-132=$41
627-126=
600-100=500
500-322=
178
699-423 turns to 700-424 so 699- 423=?
276
387-315=
390-320=70
Ms. S bought 153 footballs on Monday and 178 soccer balls on Tuesday. How many less footballs did she buy on Monday than soccer balls on Tuesday?
178-153=25 less footballs
762-481=
800-500=300
400-128
272
499-321 turns into ?
500-322=178
127-27=
130-30=100
Ms. D skipped 1,243 times across the parking lot on Saturday. She skipped 1,642 times on Sunday. How many more times did Ms. D skip on Sunday?
1,642-1,243=399 skips
1,272-1,231=
1,300-1,200=100
800-326
474
798-123 turns into ?
800-125=675
1,276-1,261
1280-1260=20
Ms. W. bought the primary school 5,341 Chromebooks. The students needed 5,371. How many more Chromebooks does Ms. W. need?
5,371-5,341=30 Chromebooks
1,866-1,332=
1,900-1,300=600
1000-532
468