Lesson Worksheet: Estimating Products Mathematics
In this worksheet, we will practice estimating products by rounding numbers or by using compatible numbers.
Q1:
A teacher asked their students to estimate the product of . Khalid got 120, whereas Joud got 90. Estimate the product yourself and decide which student is correct.
- AKhalid
- BJoud
Q2:
Using compatible numbers, we can estimate the result of as follows:
Using compatible numbers, complete the following multiplication sentence:
- A15, 42
- B16, 40
- C15, 40
- D20, 40
- E10, 40
Fill in the blank: The estimated product is .
- A400
- B630
- C600
- D800
- E640
Q3:
Which of the following is an estimate for using compatible numbers?
- A1 365
- B1 386
- C1 320
- D1 300
- E1 400
Q4:
Which of the following is an estimate for using compatible numbers?
- A2 046
- B1 800
- C2 100
- D2 275
- E1 950
Q5:
Consider the number line. Estimate the product of using compatible numbers.
Q6:
Which of these pairs of numbers would give the best estimate for the product ?
- A20 and 20
- B10 and 15
- C10 and 20
- D15 and 20
Q7:
Find the best estimate for using compatible numbers.
Q8:
Maryam and Hoor want to find an estimated product for . Who has a better estimation?
- AMaryam
- BHoor
Q9:
Use two of the following numbers to help you find the best estimate for .
Q10:
Which of these is the best estimate of the product of ?
- A
- B
- C
- D
- E
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