Estimation

Front

What is estimation in mathematics?

Back

Estimation is a method used to find an approximate value that is close enough to the right answer, often used when exact calculations are not necessary.

Front

Estimate the sum: 56 + 22 = ?

Back

80

Front

Estimate the quotient: 1,216 ÷ 4 = ?

Back

300

Front

When estimating 278 divided by 31, what numbers can you use?

Back

270 divided by 30

Front

Estimate the sum: 22 + 14 = ?

Back

30

Front

Estimate the quotient: 61 ÷ 2 = ?

Back

30

Front

What is the purpose of rounding numbers in estimation?

Back

Rounding simplifies numbers to make calculations easier and quicker.

Front

How do you round 278 to the nearest ten?

Back

You round 278 to 280.

Front

What is the estimated value of 45 + 37?

Back

80

Front

Estimate the product: 6 × 7 = ?

Back

40 (estimated as 6 × 7 is close to 6 × 6 = 36)