Addition/Subtraction/Estimation

Estimate the answer to:

906 + 397

• 1300

• 1200

• 1310

• 1303

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

237 fifth graders and 346 fourth graders went on a field trip. Estimate how many more fourth graders were on a field trip than fifth graders.

• 200 more
• 300 more
• 100 more
• 400 more

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Mrs. Krutak used 1,820 pencils last year. This year she thinks she will use 1,932 pencils. About how many pencils is that all together?

• 2,000
• 3,000
• 4,000.
• 5,000

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

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.3.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

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.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

What is the sum of the following numerals rounded to the nearest hundreds?

424 and 685

• 1,100

• 1,000

• 300

• 200

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

Round the number 925 to the nearest ten.

• 920

• 930

• 900

• 1,000

Tags

CCSS.3.NBT.A.1

Jamie weights 142 pounds and Ken weights 201 pounds. About how much do they weight together?

• 200
• 300
• 100
• 231

Tags

CCSS.3.MD.A.2

CCSS.3.NBT.A.2

3. Estimate the sum. What is a reasonable range for the answer to this problem?

9,542 + 1584

• 8,000 to 9,000

• 10,000 to 11,000

• 12000 to 14000

• 19,000 to 21,000

4,678
Nearest Hundred

• 4,600
• 4,700
• 4,670
• 4,680

Tags

CCSS.3.NBT.A.1