2-1&2-2
Use mental math to add this problem 8.6+23.4+1.4
33
0.02+0.89
0.91
24.07-5.31
18.76
4.95+7.15
12.1
Addy spent $1.89 on a bottle of paint and $0.45 on a brush. How much did she spend in all?
$2.34
Use mental math to add this problem 13.5+5.7+36.5
57
0.67-0.31
0.36
51.92-28.03
23.89
3.05+1.65
4.7
Mackenzie is training for a race. She ran 12.56 miles on Monday. 12.98 miles on Tuesday. 13.04 miles on Wednesday. How much did she run all together?
38.58 Miles
Use mental math to Subtract this problem 205.4-99.7
100
0.34+0.34
0.68
8.71-0.4
8.31
8.5-4.8
3.7
Evalynn put up three bookshelves in her room. The first one was 3.88 feet long, the second was 2.63 feet long and the third was 4.56 feet long. What is the combined length of the bookshelves?
11.07 Feet
Estimate this problem 358+293
700
0.81-0.78
0.03
98+3.79
101.79
4.25+1.55
5.8
Vivi spent $1.29 on a pen and $0.38 on an eraser. How much did she spend in all?
$1.67
Estimate this problem 25,003-12,900
12,000
7.06+0.85
7.91
2.65+3.78
6.43
11.4-6.6
4.8
Noah bought a hard cover book for $23.70 and a paperback for $6.91. How Much did he spend in all? AND if he gave the cashier $40 what would his change be?
$30.61 and $9.39 in change