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Mastering Multi-Digit Math: Check Work & Explain Reasoning

Authored by Anthony Clark

English, Mathematics

4th Grade

CCSS covered

Mastering Multi-Digit Math: Check Work & Explain Reasoning
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sarah has 245 marbles, and she buys 378 more. How many marbles does she have now? Check your work by subtracting the original amount from the total.

500

700

600

623

Tags

CCSS.3.OA.D.8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A bookstore sold 1,245 books in January and 1,678 books in February. How many books did they sell in total? Explain how you found your answer.

1,800

2,923

3,000

2,500

Tags

CCSS.4.NBT.B.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tom has 1,500 stickers. He gives 275 stickers to his friend. How many stickers does Tom have left? Show your work to verify your answer.

1500

1000

1300

1225

Tags

CCSS.4.OA.A.3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a school, there are 2,350 students. If 1,125 students are in the cafeteria, how many students are not in the cafeteria? Explain your reasoning.

1,225

1,500

2,000

1,000

Tags

CCSS.4.OA.A.3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A farmer harvested 3,456 apples and sold 1,789 apples at the market. How many apples does he have left? Check your calculations to ensure accuracy.

1667

1800

1500

2000

Tags

CCSS.4.OA.A.3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lisa read 1,234 pages of a book last month and 1,456 pages this month. How many pages did she read in total? Describe how you calculated the total.

2,690

1,800

3,000

2,500

Tags

CCSS.4.OA.A.3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A toy store had 2,000 toys. They sold 1,250 toys during a sale. How many toys are left in the store? Verify your answer by checking your subtraction.

500

1,000

1,250

750

Tags

CCSS.4.OA.A.3

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