Estimation of multiplying two-digit numbers

Front

Estimate 74 x 54

Back

3500

Front

Estimate 12 x 18

Back

200

Front

Estimate 68 x 27

Back

2100

Front

Estimate 48 x 48

Back

2500

Front

What is estimation in multiplication?

Back

Estimation in multiplication is finding a close value to the actual product by rounding the numbers before multiplying.

Front

Why do we round numbers when estimating?

Back

We round numbers to make calculations easier and quicker.

Front

What is the rounded value of 74 to the nearest ten?

Back

70

Front

What is the rounded value of 54 to the nearest ten?

Back

50

Front

What is the product of 70 and 50?

Back

3500

Front

Estimate 36 x 29

Back

1000