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.
An amphitheater has 47 rows. Each row seats 7 spectators. Estimate the total capacity of the amphitheater to the nearest ten.
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?
Which product gives an estimate of 140 when one of the multiplied numbers is rounded to the nearest 10?
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.
Which product gives an estimate of 600 when one of the multiplied numbers is rounded to the nearest 100?
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?