Estimating Products

When estimating products, what do you round the number to?

• The last place value
• The highest place value
• The lowest place value
• The middle place value

Tags

CCSS.4.NBT.B.5

Do single digit numbers get rounded?

• Maybe
• No
• Yes
• I do not know

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Jenny wants to buy 52 gifts at $2.85 to sell in her shop. She wants to get a rough estimate of the cost.The calculation would be 52 x 3.00. Which of the following gives the best estimates of the cost?

• 3.00 x 60
• 2.00 x 60
• 3.00 x 50
• 2.00 x 50

Tags

CCSS.5.NBT.B.7

Sam needs to buy 27 crates of 825 oranges. About how many oranges will Sam buy in all? 

• 16,000
• 24,000
• 18,000
• 27,000

Tags

CCSS.4.NBT.B.5

Jenny is estimating the product of 29 x 66. She rounds the factors to 30 x 70 and gets a product of 2,100. She says her product is an underestimate. Is that true or false?

• true
• false

Tags

CCSS.4.NBT.B.5

Jason drives approximately 289 miles per week. About how many miles would Jason drive in one year?

• 15,000 miles
• 1,000 miles
• 10,000 miles
• 1,500 miles

Tags

CCSS.4.NBT.B.5

Mrs. Krutak has been teaching school for 8 years. Each year she drives around 11,000 miles driving to and from work each day. Approximately how many miles has Mrs. Krutak put on her car just from driving to work each day?

• 8,000 miles
• 80,000 miles
• 100,000 miles
• 110,000 miles

Tags

CCSS.4.NBT.B.5

Each section of a ballpark has the same number of seats. There are 910 seats in each section. About how many seats are in 8 sections?

• 7,200 seats
• 900 seats
• 720 seats
• 9,000 seats

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

Based on our rules for rounding, which is the best example of a good estimate for 562 x 41?

• 560 x 40
• 500 x 40
• 600 x 40
• 600 x 50

Tags

CCSS.4.NBT.B.5

Which of the following is a good example of estimating to solve for the product of 2,019 x 391?

• 2,000 x 390
• 2,000 x 400
• 2,020 x 400
• 2,020 x 300

Tags

CCSS.4.NBT.B.5