3.NBT.2 - Final Activity

Jase found the sum of 321 + 256 by using expanded form to add. Which expression did he use?

• 300 + 200 + 20 + 50 + 1 + 6

• 300 + 200 + 100 + 200 + 500 + 600

• 3 + 2 + 1 + 2 + 5 + 6

• 300 + 70 + 6

Tags

CCSS.3.NBT.A.2

The cafeteria has to make 703 meals. They have already made 505. How many more meals does the cafeteria need to make to have enough?

• 198

• 194

• 202

• 195

Tags

CCSS.3.NBT.A.2

1,000 - 345

• 655

• 654

• 345

• 1,345

Tags

CCSS.3.NBT.A.2

Mrs. Proctor is making supper. She cooks some meatballs for 43 minutes. Then she puts the meatballs in a red sauce for 56 minutes. Estimate about how much time she spends cooking.

• About 100 minutes. Round 43 down to 40 since it is closer to 40 then round 56 up to 60. Then add.

• About 90 minutes. Round 43 down to 40 since it closer to 40 then round 56 down to 50. Then add.

• About 110 minutes. Round 56 up to 60 since it is closer to 60 then round 43 up to 50. Then add.

Tags

CCSS.3.MD.A.1

CCSS.3.NBT.A.2

Ella Kate found 34 seashells one summer. The next summer she found 245 seashells and her mom found 18 seashells. How many seashells did Ella Kate and her mom find in all?

• 297

• 287

• 279

• 296

Tags

CCSS.3.NBT.A.2

Theron's family travled 431 miles on Sunday. On Monday they traveled 143 miles. How many more miles did Theron's family travel on Sunday than on Monday?

• 288

• 388

• 327

• 312

Tags

CCSS.3.MD.B.3

CCSS.3.NBT.A.2

Addie wrote this subtraction problem on the board. She left the digit in the tens place out of the second number. What digit makes Addie's problem correct?

• 6

• 3

• 5

• 7

Tags

CCSS.3.NBT.A.2

Lorelai is planning a visit to Boston. The table shows how many miles Sally will drive on various days of her trip. She estimated that she will drive less than 1,200 miles on her trip there. Is Lorelai's estimate correct?

• No, because the number of miles rounded is greater than her estimate.

• Yes, because the number of miles rounded is less than her estimate.

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8

Boston used this model to add 153 + 172. How many hundreds are there in all?

• 3

• 2

• 1

• 4

Tags

CCSS.3.NBT.A.2

What is the value of n in the equation 518 = n + 359?

• 159

• 241

• 259

• 269

Tags

CCSS.3.NBT.A.2