Percent and Estimation

Estimate   32+49____

• 55

• 70

• 80

• 712

Amy had 13 jelly beans in her left hand and 28 in her right hand. Estimate how many jelly beans Amy had in all.

• 45

• 40

• 50

• 30

Which number sentence shows the best estimate of the total number of coins?

• 350+180+40= 570

• 300+100+80= 480

• 360+140+80= 580

• 340+140+ 80 =590

Amy rode her bike last weekend. Which is the best estimate of the total number of miles she rode her bike?

• 80 miles

• 60 miles

• 70 miles

• 90 miles

Eddy spend $15.45 on a shirt, $21.99 on a pair of pants, and $12.15 on a hat. Which is the best estimate for the amount of money in dollars Eddy spent? (a)  

• $40

• $50

• $70

• $60

Which is the best estimate of the total number of books they read?

• 220 books

• 180 books

• 200 books

• 160 books

Estimating is to....

• find the exact answer

• find something close to the correct answer

• use an algorithm

To estimate means to find something close to the correct answer.

• True

• False

When estimating 278 divided by 31, what would be the best numbers to change 278 and 31 to

• 300 divided by 30

• 27 divided by 3

• 270 divided by 30

• 300 divided by 20

Tags

CCSS.5.NBT.B.7