# Subtract

### ADDING AND SUBTRACTING DECIMALS

O PERATIONS WITH D ECIMALS T O ADD OR **SUBTRACT** DECIMALS : 1) Line up the decimal points vertically. Fill in any 0's where necessary. 2) Add or **subtract** the numbers as if they were whole numbers.

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### Adding and Subtracting Whole Numbers and Decimals

• • • • • • • • • • • • • • • Understand, Add, and **Subtract** Decimals 5 How to The decimal point separates the whole-number places from the places less than one. Facts to Know What Is a Decimal?

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### Significant Digits Rules - Add, Subtract, Muliply, Divide

SIGNIFICANT DIGITS Summary: associated with every measurement made is some degree of uncertainty. For instance, you might measure the length of the dark line shown in the diagram as 20.7 cm.

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### Adding and Subtracting Fractions

Rename 3 * 1 4 * as 2 * 5 4 * in order to **subtract** the numerators. To find a common denominator , find the LCM of 6 and 10. List the multiples. 6: 6, 12, 18, 24, 30 , . . . 10: 10, 20, 30 , . . .

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### Adding and Subtracting Fractions 2

•Regroup if a minuend (the number you **subtract** from) is a whole number or the fraction in a minuend is smaller than the fraction in a subtrahend (the number being subtracted). •**Subtract** the fractions first and then **subtract** the whole numbers.

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### Using Compensatory Numbers to Subtract - Grade Two

Using Compensatory Numbers to **Subtract** - Grade Two 1 Commentary: Children broaden their view of mathematics when connections among various standards of mathematics are brought together in one learning episode.

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### Adding and Subtracting Rational Expressions

10/28/2009 4 Add and **Subtract** Unlike Denominators 11 Add and **Subtract** Unlike Denominators •Consider adding (2/ 3) + (1/ 6)-Denominators are NOT the same •Must find the LCD between 3 and 6 3 = 3, 6 = 2 * 3 → LCD = 2 * 3 = 6-What factors in the LCM are missing from both denominators?

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### Positive and Negative Numbers

Positive and Negative Numbers Overview Students will be able to add, **subtract**, multiply, and divide using positive and negative numbers. Benchmarks 3-4 th Grade Number, Number Sense and Operations A. Use place value structure of the base-ten number system to read, write, represent and compare ...

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### Glencoe Texas Mathematics, Course 1

Adding and **Subtracting** Whole Numbers Glencoe Texas Mathematics, Course 1. Adding and **Subtracting** Whole Numbers To add or **subtract** whole numbers, add or **subtract** the digits in each place-value position.

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### Add and Subtract Integers Worksheet

Activity Directions : In a group of two complete this worksheet. Your Bank Account Directions: Below is listed your starting balance at your bank as well as a series of withdrawals and deposits.

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