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Worksheet (with Solutions): Estimate Products (2-Digit Numbers)

# Estimate Products (2-Digit Numbers) ## Section A: Multiple Choice Questions

Q1: Estimate the product of 23 × 47 by rounding both numbers to the nearest ten.
(a) 1000
(b) 1200
(c) 900
(d) 1100

Q2: Which is the best estimate for 38 × 52?
(a) 1500
(b) 2000
(c) 2500
(d) 1800

Q3: Estimate 72 × 19 by rounding to the nearest ten.
(a) 1400
(b) 1200
(c) 1600
(d) 1000

Q4: Which pair of rounded numbers would you use to estimate 56 × 34?
(a) 50 × 30
(b) 60 × 40
(c) 60 × 30
(d) 50 × 40

Q5: Estimate the product of 84 × 27 using rounding.
(a) 2400
(b) 2100
(c) 2700
(d) 1800

Q6: Which estimate is closest to the actual product of 41 × 62?
(a) 2000
(b) 2400
(c) 3000
(d) 1800

Q7: Estimate 68 × 15 by rounding both numbers to the nearest ten.
(a) 1200
(b) 1000
(c) 1400
(d) 900

Q8: What is a reasonable estimate for 92 × 48?
(a) 4500
(b) 5000
(c) 4000
(d) 3600

## Section B: Fill in the Blanks Q9: To estimate the product of two 2-digit numbers, we round each number to the nearest __________ before multiplying.
Q10: When estimating 35 × 42, we round 35 to __________ and 42 to 40.
Q11: The estimated product of 20 × 60 is __________.
Q12: To estimate 77 × 31, round 77 to 80 and 31 to __________.
Q13: An estimate helps us find an answer that is __________ to the exact answer.
Q14: The product of 50 × 70 is __________.
## Section C: Word Problems Q15: A school library has 28 shelves. Each shelf holds 43 books. Estimate the total number of books in the library by rounding to the nearest ten.
Q16: A farmer plants 52 rows of corn. Each row has 38 corn plants. Estimate how many corn plants the farmer has in total.
Q17: Each box of crayons contains 64 crayons. A teacher orders 21 boxes for her classroom. Estimate the total number of crayons she will receive.
Q18: A bakery makes 79 cookies each day. Estimate how many cookies they make in 32 days.
Q19: A train has 48 cars. Each car can hold 67 passengers. Estimate the total number of passengers the train can hold.
Q20: A toy store sells 83 board games each week. Estimate how many board games they sell in 26 weeks.
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