Unit 2 - Estimating

What is 345 rounded to the nearest ten?

• 340

• 300

• 400

• 350

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What is 9,214 rounded to the nearest hundred?

• 9,000

• 9,200

• 9,210

• 900

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Find the sum of 435 and 754. Estimate to see if your answer is reasonable.

• 1,200

• 1,100

• 1,289

• 1,250

6 is a ____ of 36.

36 is a ____ of 6.

• factor,

  multiple

• multiple,

  factor

Tags

CCSS.4.OA.B.4

Find the difference between 568 and 329. Estimate to check if your answer is reasonable.

• Exact: 439, Estimate: 400

• Exact: 139, Estimate 300

• Exact: 239, Estimate: 300

Jared has 98 oranges. He packs them into 4 crates. How many oranges does he have left over?

• 4

• 3

• 2

• 0

Tags

CCSS.4.NBT.B.6

There are 147 erasers, 215 pencils, and 327 pens in a stationary shop. About how many erasers, pencils and pens are there altogether?

• 500

• 600

• 689

• 700

Which multiplication sentence can be represented by this array?

• 10 x 15

• 15 x 5

• 5 x 5

• 10 x 5

Tags

CCSS.3.OA.A.1

Solve the array, show your strategies.

• 25

• 105

• 20

• 75

Tags

CCSS.2.OA.C.4

Which multiplication sentence can be represented by this array?

• 10 x 15

• 15 x 5

• 5 x 5

• 10 x 5

Tags

CCSS.3.OA.A.1