Estimate with Addition
7.8 + 9.2
8 + 9 = 17
7.9 - 4.5
8 - 5 = 3
5.4 + 12.2
17.6
4.5 - 3.3
1.2
Mrs. O'Brien read 3.6 books over the weekend. Ms. Soltis read 1.75 books over the weekend. How much more did Mrs. O'Brien read than Ms. Soltis?
1.85 more books
24.4 + 100.05
24 + 100 = 124
15.2 - 7.49
15 - 7 = 8
4.05 + 3.007
7.057
6.08 - 5.41
0.67
Mrs. Stec graded 7.5 social studies projects during her students' special. Mrs. Daoud graded 9.32 narrative essays during the same time. How many assignments did they grade all together?
16.82 assignments
53.51 + 28.99
54 + 29 = 83
65.8 - 38.44
66 - 38 = 28
44.66 + 33.77
78.43
71.92 - 9.1
62.82
Mrs. Werner needs 6.54 gallons of water for the science experiment. So far, she has 3.89 gallons. How much more does Mrs. Werner need?
2.65 more gallons of water.
110.02 + 38.09
110 + 38 = 148
76.53 - 68.9
77 - 69 = 8
118.7 + 55.14
173.84
81.9
Mrs. Cinzori is creating banners for mass with her classes. Room 207's banner is 7.5 feet long. Room 209's banner is 4.48 feet long. Room 212's banner is 5.09 feet long. How much longer is the longest banner compared to the shortest?
3.02 more feet
29.67 + 89.59
30 + 90 = 120
99.72 - 49.49
100 - 49 = 51
89.72 + 23.39
113.11
97.043 - 39.48
57.563
Mrs. Shore is finishing up some streamers for Pumpkin Night. Her orange streamer is 25.6 yards long. Her black streamer is 60.75 yards long. The pumpkin streamer is 13.4 yards long. How long are the streamers all together?
99.75 yards long