Estimation

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

Tags

CCSS.3.NBT.A.2

Bobby has 44 toy cars and trucks. He also has 62 ninja turtles and soldiers. Estimate how many toy cars, trucks, ninja turtles and soldiers Bobby has.

• 86
• 10
• 100

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

Round to the nearest ten, then estimate:
27 + 78

• 115
• 90
• 100
• 110

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Estimating is to....

• find the exact answer

• find something close to the correct answer

• use an algorithm

Tags

CCSS.3.OA.D.8

Leo's morning bus route picked up 176 students for school. In the afternoon, the bus took 84 students home. Which estimate shows about bout how many more students did Leo's bus take in the morning than in the afternoon?

• 300

• 100

• 200

• 20

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

Elena read 3 chapter books in one month.

• She read a book with 217 pages on week 1.
• She read a book with 465 pages on week 2 and 3.
• She read a book with 107 pages on the 4th week.

Which is the best estimate of the number of pages Elena read these 4 weeks?

• 900

• 700

• 1,000

• 800

Tags

CCSS.5.NBT.B.7

Julie was playing Fruit Ninja on her tablet. On the first round she scored 225 points, on the second she got 199 points and in the third round she scored 94 points. Which of the following number sentences shows one way to estimate how many points Julie won during these 3 rounds?

• 200 + 200 + 100 = 500

• 200 + 200 + 50 = 450

• 200 + 100 + 90 = 390

• 100 + 100 + 100 =300

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

Mario wants to round the numbers 815 and 651 to the nearest hundred. Which statement is true about the numbers Marion will round?

• 815 will round to 900

• both numbers will round to 700

• 651 will round to 700

• 651 will round to 650

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What is the difference of the following numerals rounded to the neared ten?

344 and 452

• 110

• 790

• 100

• 700

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.B.4

CCSS.5.NBT.B.7

Britani's chicken, Chikaletta, laid 263 eggs last month. About how many eggs did Chikaletta lay last month?

• 300 eggs

• 200 eggs

• 100 eggs

• 350 eggs

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3