Decimal Operations and Alignment

Decimal Operations and Alignment

Assessment

Interactive Video

Mathematics

4th - 5th Grade

Hard

Created by

Thomas White

FREE Resource

Miss Hampton introduces the topic of adding and subtracting decimals. She provides a step-by-step guide on how to line up decimals vertically, fill in gaps with zeros, and perform subtraction. A practice problem is explained, emphasizing the importance of place value. The lesson concludes with a practice assignment for students to solve another subtraction problem.

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19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in adding or subtracting decimals?

Align the numbers to the left

Align the numbers to the right

Align the decimals vertically

Align the numbers horizontally

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of aligning decimals vertically?

To ensure correct addition or subtraction

To confuse the students

To make the numbers look bigger

To make the calculation faster

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do if a whole number doesn't have a visible decimal?

Subtract a decimal

Add a decimal at the beginning

Add a decimal at the end

Ignore it

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to fill in gaps with zeros when working with decimals?

To make the numbers look bigger

To ensure proper alignment of place values

To confuse the students

To make the calculation easier

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do with the decimal point when writing the answer?

Bring it down directly below the other decimals

Move it to the left

Ignore it

Move it to the right

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a crucial step when subtracting across zeros?

Adding more zeros

Ignoring the zeros

Regrouping the numbers

Subtracting directly

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 10 minus 9 in the subtraction example?

0

9

1

10

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