Estimating

72 x 49 =

• 2,800
• 4,000
• 3,500
• 3,528

85 x 29

• 2,700
• 1,600
• 2,550
• 2,610

189 x 8

• 1,520
• 2,000
• 1,512
• 1,600

4,978 x 7

• 34,790
• 34,300
• 35,000
• 50,000

Beth travels 244 miles every week. Which expression shows the best estimate for the number of miles he would travel in 9 weeks?

• 200 x 9
• 200 x  10
• 300 x 9
• 300 x 10

The youth center sold 62 raffle tickets for $ 8 each. Mrs. Sosa says they collected about $480. Which statement best describes why Mrs. Sosa estimate is reasonable?

• 10 x 70 is 700.
• 8 x 60 is 480.
• 480 is not the product of 8 x 62.
• 8 x 500 is 4,000

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

CCSS.3.OA.D.8

Mr. Yu travels 44 miles for work every week. He worked 42 weeks last year. Which is the best estimate of the number of miles Mr. Yu traveled for work last year?

• About 2,000 miles
• About 3,000 miles
• About 8,000 miles
• About 10,000 miles

Cat cage cost $27 each. A cat hospital bought 12 new cages. Which is the best estimate of the total cost of the new cages?

• $600
• $300
• $270
• $200

On Friday 17 buses left the bus station. Each bus carried a full load of 53 passengers. Which is the best way to estimate the total number of passengers who left the bus station that day?

• 7 x 50 = 350
• 10 x 50 = 350
• 10 x 60 = 600
• 20 x 50 = 1,000

Tags

CCSS.4.NBT.B.5