Worksheets and Whiteboard Resources for Elementary Math
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# Math Topics K 5 Number Sense Fractions

Grade 3 (3.NF.A.3) Develop understanding of fractions as numbers.
Ages 7 - 8

## Tall Order

SUPPORTS 3.NF.A.3: Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size.

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Grade 4 (4.NF.A.1)Extend understanding of fraction equivalence and ordering.
Ages 8 - 9

## See Saw Fractions

SUPPORTS 4.NF.A.1: Explain why a fraction a/b is equivalent to a fraction (n × a)/(n × b) by using visual fraction models, with attention to how the number and size of the parts differ even though the two fractions themselves are the same size. Use this principle to recognize and generate equivalent fractions.

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Grade 4 (4.NF.A.1)Extend understanding of fraction equivalence and ordering.
Ages 8 - 9

## Fraction patterns

SUPPORTS 4.NF.A.1: Explain why a fraction a/b is equivalent to a fraction (n × a)/(n × b) by using visual fraction models, with attention to how the number and size of the parts differ even though the two fractions themselves are the same size. Use this principle to recognize and generate equivalent fractions.

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Grade 4 (4.NF.A.1)Extend understanding of fraction equivalence and ordering.
Ages 8 - 10

## Fraction Towers

MEETS 4.NF.A.1: Explain why a fraction a/b is equivalent to a fraction (n × a)/(n × b) by using visual fraction models, with attention to how the number and size of the parts differ even though the two fractions themselves are the same size. Use this principle to recognize and generate equivalent fractions.

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Grade 4 (4.NF.B.3a) Build fractions from unit fractions.
Ages 8 - 9

## Pie Shop Puzzles

SUPPORTS 4.NF.B.3a: Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.

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Grade 4 (4.NF.B.3a) Build fractions from unit fractions.
Ages 8 - 9

## Pizza Party

SUPPORTS 4.NF.B.3a: Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.

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Grade 4 (4.NF.B.3C) Build fractions from unit fractions.
Ages 9 - 10

## Improper Pizza

SUPPORTS 4.NF.B.3c: Add and subtract mixed numbers with like denominators, e.g., by replacing each mixed number with an equivalent fraction, and/or by using properties of operations and the relationship between addition and subtraction.

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Grade 5 (5.NBT.A.3b) Understand the place value system.
Ages 9 - 11

## Light Sequence

SUPPORTS 5.NBT.A.3b: Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.

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Grade 5 (5.NBT.B.7) Perform operations with multi-digit whole numbers and with decimals to hundredths.
Ages 7 - 10

## Doubling Machine

SUPPORTS 5.NBT.B.7: 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.

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Grade 5 (5.NF.A.1) Use equivalent fractions as a strategy to add and subtract fractions.
Ages 10 - 11

## Fraction Reducing Robot

MEETS 5.NF.A.1: Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12. (In general, a/b + c/d = (ad + bc)/bd.)

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