# Worksheet: Estimating Products: Multiplying by One-Digit Numbers

In this worksheet, we will practice estimating the products of one-digit numbers and two- or three-digit numbers by rounding to the nearest ten or hundred.

**Q4: **

An amphitheater has 47 rows. Each row seats 7 spectators. Estimate the total capacity of the amphitheater to the nearest ten.

**Q5: **

Sophia is estimating the result of by rounding both factors to the nearest ten.

Fill in the blank: she finds that the exact answer is between and .

- A40, 50
- B20, 30
- C30, 40
- D60, 70
- E50, 60

State the two numbers that the exact answer is between.

- A120 and 150
- B47 and 3
- C30 and 50
- D40 and 60
- E40 and 50

Which of the two numbers is the exact answer closer to?

**Q7: **

Which product gives an estimate of 140 when one of the multiplied numbers is rounded to the nearest 10?

- A
- B
- C
- D
- E

**Q8: **

A teacher asked their students to estimate the product of . Ethan got 120, whereas Charlotte got 90. Estimate the product yourself and decide which student is correct.

- AEthan
- BCharlotte

**Q9: **

Which product gives an estimate of 600 when one of the multiplied numbers is rounded to the nearest 100?

- A
- B
- C
- D
- E

**Q10: **

Olivia needed to find the result of . She rounded the first factor the nearest 100 to estimate the product and got 900. Was she correct?

- ANo
- BYes