# Lesson Worksheet: Estimating the Products of Two-Digit Numbers: Rounding Mathematics • 4th Grade

In this worksheet, we will practice estimating the product of two positive two-digit numbers by rounding to the nearest ten.

**Q7: **

Which of the following is the estimate for when the two numbers are rounded to the nearest 10?

- A1,600
- B2,400
- C2,700
- D16,000

**Q8: **

Which product gives an estimate of 1,800 when the two multiplied numbers are rounded to the nearest 10?

- A
- B
- C
- D

**Q9: **

A teacher asked to estimate the product of . Jackson found 2,100, whereas Amelia found 1,400. Estimate the product yourself and decide which student is correct.

- AJackson
- BAmelia

**Q10: **

Daniel earns £93 a day. Work out an estimate for how much he earns in 18 days.

**Q11: **

Estimate the product of by rounding to the nearest 10.

**Q12: **

Jacob needed to find the result of . He used rounding to estimate the product and got 7,200. Was Jacob correct?

- ANo
- BYes

**Q13: **

Fill in the blank: The expression can be rounded to , and we get 4,900.

- A
- B
- C
- D
- E

**Q14: **

Complete using , , or : .

- A
- B
- C

**Q15: **

Madison wants to estimate the product of 22 and 52. Help her find the estimated product by rounding each number to the nearest 10.

**Q16: **

James estimates the result of to be 1,500. State whether his estimation is reasonable or not.

- AReasonable
- BNot reasonable