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Adding and Subtracting Decimals

Adding and Subtracting Decimals. Lesson 1-5. The Basic Steps:. Line up the numbers by the decimal point. Fill in missing places with zeroes. Add or subtract. Addition Properties. Commutative Property of Addition: Numbers can be added in any order. Example: 5+3=3+5.

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Adding and Subtracting Decimals

Adding and Subtracting Decimals. Lesson 1-5. The Basic Steps:. Line up the numbers by the decimal point. Fill in missing places with zeroes. Add or subtract. Addition Properties. Commutative Property of Addition: Numbers can be added in any order. Example: 5+3=3+5.

161 views • 10 slides

Estimating With Decimals

Estimating With Decimals. Rounding. Identify the place you are rounding to, and place a box around it. Check the digit to the right. Apply basic rounding rules (5 or greater increase by 1, 4 or less stays the same) Keep everything before the box the same. Everything after the box becomes zero.

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Multiplying and Dividing Decimals by Whole Numbers

Multiplying and Dividing Decimals by Whole Numbers. Lesson 3-6:. Multiplying by whole numbers.

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Reading and Writing Decimals

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Reading and Writing Decimals

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Multiplying Decimals

Multiplying Decimals. Lesson 1-7. To Multiply:. You do not line up the factors by the decimal. Instead, place the number with more digits on top. Line up the other number underneath, at the right. Multiply Count the number of decimal places (from the right) in each factor.

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Multiplying and Dividing Decimals by 10, 100, and 1,000

Multiplying and Dividing Decimals by 10, 100, and 1,000. Lesson 14.3. The Basics:. When you multiply by 10, 100, or 1,000, you can move the decimal point to the right. The number of decimal places you move is the same as the number of zeroes you are multiplying by.

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Multiplying and Dividing Decimals by 10, 100, and 1,000

Multiplying and Dividing Decimals by 10, 100, and 1,000. Lesson 1-8. The Basics:. When you multiply by 10, 100, or 1,000, you can move the decimal point to the right. The number of decimal places you move is the same as the number of zeroes you are multiplying by.

268 views • 7 slides

Multiplying and Dividing Decimals by 10, 100, and 1,000

Multiplying and Dividing Decimals by 10, 100, and 1,000. Lesson 1-8. The Basics:. When you multiply by 10, 100, or 1,000, you can move the decimal point to the right. The number of decimal places you move is the same as the number of zeroes you are multiplying by.

74 views • 7 slides