Grade 5 students apply estimation to challenging real-world problems involving area, speed, fuel efficiency, and group costs. Multiple-choice items test order-of-magnitude reasoning so learners pick the right ballpark before calculating. Fill-in problems use compatible numbers to estimate totals for ticket sales, cheese per pizza, and pool fill times. Grade 5 learners build judgment about when an exact answer is reasonable based on a quick mental estimate.
Style:
Estimation Strategies
Part A: Multiple Choice
Circle the best answer for each question.
1. A store sells 213 phone cases at $8.95 each. About how much money does the store earn?
A) About $1800
B) About $180
C) About $18000
D) About $200
2. A jogger covers 3.85 km in 0.5 hour. About what is the speed in km per hour?
A) About 2
B) About 8
C) About 20
D) About 40
3. A field is 78 m by 24 m. About what is the area of the field in square meters?
A) About 200
B) About 800
C) About 2000
D) About 20000
4. A jar holds 1,950 mL. About how many 9.8 mL doses fit in the jar approximately?
A) About 20
B) About 100
C) About 50
D) About 200
Part B: Fill in the Blank
Write the correct answer on each line.
1. A farmer sells 412 bags of apples at $4.85 each. Estimated income is about $2000.
2. A pool holds 2,895 gallons. Filling at 28.5 gal per minute takes about 100 minutes.
3. A pizza shop uses 0.18 lb of cheese per pizza for 52 pizzas. About 10 lb total.
4. A bus travels 287 km on 9.8 L of fuel. Estimated kilometers per liter is about 30.
5. Tickets cost $24.85 each for 39 friends. Estimated total cost is about $1000.
Estimation Strategies
★ Part A: Multiple Choice
Circle the best answer for each question.
1. A store sells 213 phone cases at $8.95 each. About how much money does the store earn?
A) About $1800
B) About $180
C) About $18000
D) About $200
2. A jogger covers 3.85 km in 0.5 hour. About what is the speed in km per hour?
A) About 2
B) About 8
C) About 20
D) About 40
3. A field is 78 m by 24 m. About what is the area of the field in square meters?
A) About 200
B) About 800
C) About 2000
D) About 20000
4. A jar holds 1,950 mL. About how many 9.8 mL doses fit in the jar approximately?
A) About 20
B) About 100
C) About 50
D) About 200
★ Part B: Fill in the Blank
Write the correct answer on each line.
1) A farmer sells 412 bags of apples at $4.85 each. Estimated income is about $2000.
2) A pool holds 2,895 gallons. Filling at 28.5 gal per minute takes about 100 minutes.
3) A pizza shop uses 0.18 lb of cheese per pizza for 52 pizzas. About 10 lb total.
4) A bus travels 287 km on 9.8 L of fuel. Estimated kilometers per liter is about 30.
5) Tickets cost $24.85 each for 39 friends. Estimated total cost is about $1000.
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9 Questions
12-18 minutes
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