# 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.

Q1:

Which of the following is closest to ?

• A2,000
• B20
• C200
• D20,000

Q2:

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

Q3:

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

• A
• B
• C
• D

Q4:

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

Q5:

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

Q6:

Estimate the product of by rounding to the nearest 10.

Q7:

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

• ANo
• BYes

Q8:

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

• A
• B
• C
• D
• E

Q9:

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

Q10:

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

• AReasonable
• BNot reasonable