Basic Add
Estimate
Not So Basic Add
100
45.4+7.6
What is 53
100

Estimate 2.05+3.99

What is 6

100
76+5.89
What is 81.89
200
35.7+52.4
What is 88.1
200

Estimate the Sum

17.55+0.99

What is 18 or 19

200
132.06+37.491
What is 169.551
300
14.68+70.05
What is 84.73
300

Estimate the sum:

101.1+23.05

What is 124

300
5.888+197.3
What is 203.188
400
140.7+256.8
What is 397.5
400

Estimate:

1.01+2.89+3.7

What is 8

400
1,013+12.5734
What is 1025.5734
500
893.57+613.88
What is 1507.45
500

Estimate:

1.04+2.07+11.01

What is 14

500
0.85763+99.5691
What is 100.42673
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