**Clare bought a photo for 17 cents and paid with a $5 bill.** **Here are three ways to write the subtraction calculation. **

(2). Explain how you know.

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**Add and Subtract Decimals with many non-zero digits.**

- Check the boxes to see the correct answers.
- Uncheck the boxes before clicking on New problem.
- Remember to attempt the problems before checking on the answers.

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**Subtract Decimal Numbers Using Blocks.**

(A). Find the value of each expression.

(1). 11.3 – 9.5

(2). 318.8 – 94.63

(3). 0.02 – 0.0116

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(B). Write the missing digits in each calculation so that the value of each sum or difference is correct.

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(C). Complete the calculations so that each shows the correct sum.

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(D). For every 9 customers, the chef prepares 2 loaves of bread. Here is double number line showing varying numbers of customers and the loaves prepared. Complete the missing information.

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**The same information is shown on a table. Complete the missing information.**

Use either representation to answer these questions.

(1). How many loaves are needed for 63 customers?

(2). How many customers are there if the chef prepares 20 loaves?

(3). How much of a loaf is prepared for each customer?

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**Practice by Creating numbers Using Base ten Blocks.**

(1). Use base ten blocks to build **174**.

Explain how you know you correctly built the number **174**.

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(2). Use base ten blocks to build **238**.

(3). Build any number less than **500**.

What number did you build? How do you know?

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In a cryptarithmetic puzzle, the digits 0-9 are represented using the first 10 letters of the alphabet. Use your understanding of decimal addition to determine which digits go with the letters A, B, C, D, E, F, G, H, I, and J.

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For each subtraction problem, mark the correct calculation.

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