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## Multiply 2 Digit Numbers

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Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. Multiply 2 digit numbers.

Fluently multiply multi-digit whole numbers using the standard algorithm.

## Divide by 1 Digit Numbers

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Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.

## Multiplying by 1 Digit to the Thousands Place

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Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.

## Multiplying a 2 Digit Whole Number by a 2 Digit Whole Number

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Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.

## Multiplying a 2 Digit Whole Number by a 1 Digit Whole Number

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Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.

## Subtracting 7 Digit Whole Numbers with Regrouping

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Fluently add and subtract multi-digit whole numbers using the standard algorithm.

## Subtracting 7 Digit Whole Numbers without Regrouping

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Fluently add and subtract multi-digit whole numbers using the standard algorithm.

## Subtracting 5 Digit Whole Numbers without Regrouping

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Fluently add and subtract multi-digit whole numbers using the standard algorithm.

## Subtracting 5 Digit Whole Numbers with Regrouping

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Fluently add and subtract multi-digit whole numbers using the standard algorithm.

## Multiplying a 3 Digit Whole Number by a 1 Digit Whole Number

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Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.