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Addition and Estimating Sums

Authored by Anthony Clark

Mathematics

2nd Grade

CCSS covered

Addition and Estimating Sums
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Estimate the sum of 432 and 567 by rounding to the nearest hundred.

900

1100

800

1000

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

If Jon has 345 marbles and Malone gives him 278 more, how many marbles does John have in total?

543

567

623

489

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Jameson has 432 Pokémon cards and then he buys 567 more. How many cards does he have in total?

B) 899

C) 1100

A) 1000

A) 999

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the sum of 2,345 and 6,789?

9,134

9,133

9,131

9,132

Tags

CCSS.4.NBT.B.4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the total when 523 and 367 are added together.

456

890

8900

1000

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

6.

OPEN ENDED QUESTION

1 min • 1 pt

Use mental math to solve.

120 + 42 + 80

Evaluate responses using AI:

OFF

Tags

CCSS.2.NBT.B.5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

James have 90 marshmallows in the jar. He adds 382 more. How many marshmallows are now in the jar? 

472

289

340

198

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

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