ADDING
155 + 38
193
96 - 75
21
Round 356 to the nearest tens place.
360
Estimate the sum.
239 + 167
200 + 200 = 400
What must you ALWAYS do when adding or subtracting decimals?
Line up your decimal!
5,342 + 1,999
7,341
478 - 243
235
Round 2,498 to the nearest hundreds place.
2,500
Estimate the difference.
471 - 44
470 - 40 = 430
0.2 + 0.79
0.99
8,978 + 4,357
13,335
709 - 368
341
Round 12,320 to the nearest thousands place.
12,000
Estimate the sum.
1,322 + 874
1,300 + 900 = 2,200
9.74 - 5.51
4.23
34,527 + 13,853
48,380
10,608 - 6,357
4,251
Round 17,413 to the nearest tens place.
17,410
Estimate the difference.
3,631 - 742
3,600 - 700 = 2,900
71.35 + 67.82
139.17
258,327 + 846,287
1,104,614
20,305 - 12,213
8,092
Round 349,839 to the nearest ten thousands place.
350,000
Estimate the difference.
13,459 - 6,622
13,000 - 7,000 = 6,000
43.42 - 15.28
28.14