Understanding Subtraction Concepts

Understanding Subtraction Concepts

Assessment

Interactive Video

Mathematics

3rd - 4th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to subtract 29 from 68 by regrouping and then verifies the result using addition. It starts by addressing the need to regroup because 8 is smaller than 9, then demonstrates the subtraction process, and finally checks the result by adding the difference and the subtrahend to get back to the minuend.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial subtraction problem presented in the video?

88 - 49

58 - 19

78 - 39

68 - 29

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it necessary to regroup when subtracting 8 from 9?

Because 8 is larger than 9

Because 8 is smaller than 9

Because 8 is an odd number

Because 9 is an even number

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving the subtraction problem 68 - 29?

Add the numbers

Subtract the ones place

Subtract the tens place

Multiply the numbers

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the number 68 regrouped for subtraction?

Four tens and twenty-eight ones

Seven tens and eight ones

Six tens and eight ones

Five tens and eighteen ones

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of subtracting 9 from 18?

9

8

7

10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of subtraction, what does regrouping involve?

Breaking down numbers into tens and ones

Changing the order of numbers

Multiplying numbers

Adding numbers together

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final result of the subtraction 68 - 29?

39

49

59

29

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