Adding and Subtracting Strip Diagrams

Math Response

Roy earned $85 for babysitting his brothers and $73 for good grades. He spent $30 on snacks. How much money does Roy have now?

Type answer here

Correct Answer: 128

Deg^°

Rad

Dropdown

The remaining amount when subtracting one or more parts is called

Select answer

Dropdown

A number sentence that includes an equal sign is called

​

Select answer

Dropdown

The total amount when adding is called ​

Select answer

Dropdown

The total amount when multiplying is called ​

Select answer

​

Dropdown

The answer to a division problem is called the ​

Select answer

​

​Product: The answer to a multiplication problem

Quotient: The number that is the result of dividing

Equation: A number sentence that includes an equal sign

Strip Diagram: A rectangular model used to show numerical relationships

Expression: One or more operations represented as a number sentence with no equal sign; can be displayed with or without a variable

Addition Stip diagram

• Know parts

• total is missing

• parts are not the same

Subtraction Strip diagram

• The total is known

• The parts are different

Multiple Choice

Addition or Subtraction?

• Addition
• Subtraction

Multiple Choice

Addition or Subtraction?

• Addition
• Subtraction

Multiple Choice

Addition or Subtraction?

• Addition
• Subtraction

Multiple Choice

Which equation matches this strip diagram?

• 86 + 26 = P

• 26 - 86 = P

• 86 - 26 = P

Multiplication strip diagrams

• Know the parts

• total is missing

• Parts are the same

Division strip diagrams

• The total is known

• Parts are the same

Multiple Choice

Multiplication or Division Strip Diagram?

• Multiplication

• Division

Multiple Choice

Multiplication or Division Strip Diagram?

• Multiplication

• Division

Multiple Choice

What equation matches the strip diagram?

• 36 - 9 = M
• 36 x M = 9
• 36 ÷ 9 = M
• M x 8 = 36

Multiple Choice

What equation matches the strip diagram 

• 137 + 5 = J
• 137 - 6 = J
• 137 ÷ 5 = J
• 137 x 5 = J

Multistep strip diagrams

Multiple Choice

Abby drew this strip diagram.  What equation matches her strip diagram.

• 30 x 5 = C
• 30 x 5 + 11 = C

• 30 ÷ 5 + 11 = C

• 30 + 11 + 5 = C

Multiple Choice

What equation matches the strip diagram?

• 874 - 301 - 521 = W

• 874 - 301 + 521 = W 

• 874 ÷ 3 = W
• 310 x 3 = W

Multiple Choice

What equation matches the strip diagram.

• (78 - 42) ÷ 3 = R
• (78 ÷ 3) - 42 = R
• 78 - (42 ÷ 3) =R
• R + 78 = 42

1. Read and highlight.

Multiple Choice

Is the total given?

• No, but I have the info to find out

• No

• Yes, they tell me the total exactly

Multistep word problems

1. Read the problem and highlight important information.

2. Decide if the total is given and represent using a strip diagram.

3. Eliminate the the wrong answers and choose the right one.

Multiple Choice

What was the answer to the last question?

Your turn to try it.

Draw

Highlight the important information.

Multiple Choice

Is the total given?

• No, but I have the info to find out

• No

• Yes, They tell me the total exactly

Multiple Choice

Which strip diagram represents m, the amount of money Jaiden has now?

• A

• B

• C

• D

Fact or Fib!

1. Read the problem and highlight important information.

2. Decide if the total is given and represent using a strip diagram.

3. Eliminate the the wrong answers and choose the right one.

Draw

Highlight the important information then with your partner determine

Is this a FACT or FIB?

Write it on your dry erase board!

Multiple Choice

• Fact

• Fib

Draw

Highlight the important information then with your partner determine

Is this a FACT or FIB?

Write it on your dry erase board!

Multiple Choice

• Fact

• Fib

Draw

Highlight the important information then with your partner determine

Is this a FACT or FIB?

Write it on your dry erase board!

Multiple Choice

• Fact

• Fib