Number Sentences and Basic Operations

Mr. Montgomery reviews Unit 5, focusing on determining if number sentences are true or false, finding missing numbers in equations, and adding three numbers. He uses number lines and encourages students to practice independently, emphasizing the importance of showing work and understanding math concepts.

What is the main focus of Unit 5?

• Algebra

• Geometry

• Statistics

• Number Sentences

What should you do if you're unsure about a number sentence?

• Use a number line

• Use a calculator

• Skip the question

• Guess the answer

What is the result of 6 + 5 using a number line?

• 10

• 13

• 11

• 12

How do you determine if a number sentence is true?

• One side is less

• One side is greater

• Both sides are different

• Both sides have the same number

What is the result of 3 + 8 using a number line?

• 10

• 11

• 12

• 13

What should you do if you need more workspace?

• Use a calculator

• Use an extra piece of paper

• Write on the desk

• Skip the problem

What is the result of 8 - 5 using a number line?

• 5

• 4

• 3

• 2

What is the result of 4 + 1 using a number line?

• 7

• 6

• 5

• 4

What is the missing number in 4 + 7 = 6 + ___?

• 6

• 5

• 4

• 3

How do you solve 12 = 3 + ___?

• Multiply 3 by 12

• Add 3 to 12

• Subtract 3 from 12

• Find the difference between 12 and 3