Decimal Subtraction and Simplification

Decimal Subtraction and Simplification

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers the order of operations, focusing on solving problems with decimals. It begins with an introduction to the order of operations, emphasizing the importance of parentheses and multiplication. The tutorial then demonstrates solving operations inside parentheses, followed by detailed steps for subtraction, including regrouping and aligning decimals. Finally, a word problem involving subtraction of quantities of blueberries is solved, reinforcing the concepts learned.

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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first operation to perform according to the order of operations?

Addition

Subtraction

Division

Parentheses

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which operation should be prioritized inside the parentheses?

Multiplication

Division

Addition

Subtraction

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 27.5 minus 24?

4.0

2.5

3.5

3.0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you simplify 105 minus 3.5?

101.5

103.5

102.5

100.5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 101.5 minus 12.88?

87.62

90.62

89.62

88.62

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to line up decimal points when subtracting?

To make it easier to add

To ensure accurate subtraction

To avoid multiplication errors

To make it look neat

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the importance of regrouping in subtraction?

To ensure correct borrowing

To avoid addition errors

To make subtraction faster

To simplify multiplication

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