Subtract Decimals

Multiple Choice

What is the learning intention regarding decimal numbers?

• Subtract two whole numbers to the thousands place

• Add and subtract decimal numbers

• Use partial differences to subtract numbers

• Compute the difference of two decimal numbers

Multiple Select

What are the success criteria for subtracting decimal numbers?

• Use a model to show subtraction of decimals

• Use partial differences to subtract numbers

• Use place value to subtract decimals

• Compute the difference of two decimal numbers

Multiple Choice

What is the value of the expression 42.4 − 3.89?

• 37.51

• 38.51

• 39.49

• 41.49

Drag and Drop

Josh draws this number line to find 8.7 − 2.5.

How does the number line help Josh find the difference?

Josh can show the difference through jumps on a number line. First, it shows ​jumps of ​

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from 8.7 to ​

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. Then it shows a jump of​

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to ​

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. So, Josh can see that 8.7 − 2.5 =​

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Drag these tiles and drop them in the correct blank above

2 wholes

6.7

5 tenths

6.2

3 wholes

5 hundredths

5.7

5.2

Draw

Decide if each model or expression represents the difference, 1.16 − 0.6. Choose Yes or No for each model or expression.

Multiple Select

Luis lives 0.8-mile from school. His friend Rina lives 0.23-mile from school. Luis draws this model to find how much closer Rina lives from school than he does.   

Which equation does the model represent?

• 1.0 − 0.8 = 0.2

• 1.0 − 0.23 = 0.77

• 0.8 − 0.23 = 0.57

• 0.8 − 0.2 = 0.6

Open Ended

Mrs. Thomas wants to buy a dress for her cousin's wedding. The dress she finds is $59.98. The store is offering a discount of $27.99. How much will Mrs. Thomas pay for the dress?

Drag and Drop

Maya buys a package of pens $6.99 for and a stapler for $8.49. She gives the cashier a $20 bill to pay for the items. Maya thinks she will get at least $5 back in change.

Is she correct?

To find the amount of change, Maya can find​

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$6.99 and $8.49, and then​ ​ ​

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. Maya will​

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. Maya is​

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.

Drag these tiles and drop them in the correct blank above

the sum of

subtract it from $20

receive $4.52 in change

incorrect

the difference of

subtract $5 from it

receive $5.62 in change

receive $6.50 in change

correct

receive $10.48

Draw

Complete the bar model for n = 11.75 - 9.30.

Write a related addition equation.

Draw

Decide if each equation can be used to find . Choose Yes or No for each equation. 24.39 − 16.75

Draw

Complete the missing numbers above the jump arrows to show the parts that were added on to find 11.75 – 9.30. Then add to find the difference.

Fill in the Blanks