Estimating Answers to Questions
Estimating means to roughly calculate the number or amount of something.
To help me work out 68 + 74, I could estimate
the answer.
68 + 74 =
70 + 70 = 140
≈ shows we are estimating
68 + 74 ≈ 140
Use the model to estimate the answers to the following calculations.
53 + 67 ≈ ______
___ + ____ = _____
139 + 48 ≈ ______
___ + ____ = _____
254 + 108 ≈ ______
___ + ____ = _____
1998 + 588 ≈ ______
___ + ____ = _____