Adding and Subtracting Decimals

Adding and Subtracting Decimals

Assessment

Interactive Video

Mathematics

4th - 5th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to add and subtract decimals, emphasizing the importance of aligning decimal points. It covers the concepts of sum and difference, provides examples of correct addition and subtraction of decimals, and highlights a non-example to show the consequences of incorrect decimal alignment.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key difference between adding whole numbers and adding decimals?

Decimals require adding zeros at the end.

Decimals require converting to fractions first.

Decimals require multiplying by ten.

Decimals require aligning the decimal points.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term 'sum' refer to in mathematics?

The result of a division problem.

The result of an addition problem.

The result of a multiplication problem.

The result of a subtraction problem.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term 'difference' refer to in mathematics?

The result of a subtraction problem.

The result of a multiplication problem.

The result of an addition problem.

The result of a division problem.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When adding 3.82 and 0.4, where should the decimal point of 0.4 be aligned?

Under the thousandths place of 3.82.

Under the hundredths place of 3.82.

Under the tenths place of 3.82.

Under the ones place of 3.82.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of adding 3.82 and 0.4?

3.92

3.42

4.22

4.12

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the subtraction example, what is the first step to ensure accuracy?

Align the digits.

Align the decimal points.

Add zeros to the smaller number.

Convert to fractions.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of subtracting 0.4 from 3.82?

3.72

3.62

3.52

3.42

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