Exploring the Equal Sign with Addition and Subtraction

The video tutorial explains how to verify if equations are true by comparing values on both sides of the equal sign. It uses examples to demonstrate the process, including using a number line for addition and subtraction. The tutorial confirms the correctness of some equations and explains why others are incorrect.

What does the equal sign in an equation signify?

• The values on both sides are different

• The left side is greater than the right side

• The values on both sides must be the same

• The equation is incorrect

Tags

CCSS.1.OA.A.1

How do you verify if 5 + 2 equals 7?

• By multiplying 5 and 2

• By dividing 7 by 2

• By subtracting 2 from 5

• By adding 5 and 2 using a number line

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CCSS.5.NBT.B.7

How can a number line help in addition?

• It cannot help in addition

• By dividing the numbers

• By visualizing the addition process

• By showing multiplication

Tags

CCSS.1.OA.C.6

What is the result of 10 - 4?

• 4

• 6

• 7

• 14

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CCSS.1.OA.C.6

Is the equation 10 - 4 = 7 true?

• Yes, it's true

• No, it equals 6

• Yes, but only on Tuesdays

• No, it equals 5

Tags

CCSS.1.OA.C.6

What does 10 - 2 equal?

• 8

• 12

• 2

• 5

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CCSS.2.OA.C.3

Is the equation 10 - 2 = 8 correct?

• No, it's incorrect

• Yes, it's correct

• No, it equals 10

• Yes, but only on weekends

Tags

CCSS.2.OA.C.3