Estimating Sums and Differences

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
• 109 more
• 100 more
• 110 more

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

Eastfield college has 1,537 students. Richland college has 2,785. Rounding to the HUNDREDS place, approximately how many fewer students does Eastfield college have than Richland college.

• 1,300
• 1,200
• 1,100
• 1,500

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

If you have 382, you might say you have ABOUT...

• 400
• 390
• 450
• 350

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

If you have 819, you might say you have approximately...

• 900
• 880
• 820
• 810

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Mr. Smith drove 1,380 miles in the month of August and 656 miles in the month of September. Approximately how many miles did he drive all together.

• 2,000.
• 2,100.
• 2,036.
• 2,500.

Tags

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?

• 3,000.
• 3,700.
• 4,000.
• 3,752.

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Caleb has 5,233 books. Elizabeth has 2,354 books. Estimate how many fewer books Elizabeth has?

• 2,900.
• 3,000.
• 2,879.
• 2,870.

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

If you were estimating 8,964 + 825, what would be the best place value to round to?

• Thousands
• Hundreds
• Tens
• Don't round at all.

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8

If you were deciding about how much 1,235 - 58 equaled to, which place value would you round to?

• Tens
• Hundreds
• Thousands
• Tenths

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8

Approximately how many students went on the field trip to Washington, DC?
DC VISITORS
7th Graders      4,945.
8th Graders      5,623.
9th Graders      1,989.

• 12,557.
• 13,000.
• 12,600.
• 12,400.

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2