Adding Decimals

Adding Decimals

Assessment

Interactive Video

Mathematics

4th Grade - University

Practice Problem

Easy

Created by

Wayground Content

Used 4+ times

FREE Resource

Mr. Added explains the importance of aligning decimals in addition through various shopping examples. He initially makes a mistake by not aligning decimals, leading to an incorrect total. The video covers the correct method of aligning decimals, using place value charts, and adding zeros as placeholders. Several examples, including buying socks, a shirt, and bakery items, illustrate the process. The video emphasizes the importance of careful calculation and decimal alignment.

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the mistake made when calculating the total cost of the socks and shirt?

Forgetting to add the shirt price

Not lining up the decimals correctly

Multiplying instead of adding

Using the wrong price for the socks

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to add a zero as a placeholder in decimal addition?

To avoid using decimals

To make the calculation faster

To make the numbers look bigger

To ensure the numbers are the same length

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much do the three items from the store cost in total?

$6.09

$5.09

$4.09

$3.09

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much money does Jessica have after adding all her savings?

$16.18

$15.18

$17.18

$14.18

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total cost of the bakery treats Sarah wants to buy?

$8.80

$9.80

$10.80

$11.80

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you always remember to do when adding decimal numbers?

Multiply the numbers first

Line up the decimals

Subtract the smaller number

Round up the numbers

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a decimal addition problem?

Line up the decimal points

Multiply the numbers

Convert decimals to fractions

Add the numbers without considering decimals

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