Estimating and Subtracting

When you estimate, are you looking for the exact amount or a reasonable amount?

• exact
• reasonable

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

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

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

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

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

204 - 195 =

• 7
• 91
• 191
• 9

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

The Zoo has many different species of animals.  It has 307 birds and 59 big cats.  How many more birds does the zoo have than big cats?

• 248
• 258
• 358
• 126

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

520 - 459 =

• 139
• 61
• 169
• 979

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2