Worksheets and Whiteboard Resources for Elementary Math
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# Free Math Resources K 5

Grade 3 (3.MD.A.1) Solve problems involving measurement and estimation.
Ages 7 - 8

## Skateboard Monkey

MEETS 3.MD.A.1: Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram.

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Grade 3 (3.NF.A.3) Develop understanding of fractions as numbers.
Ages 8 - 10

## Fraction Towers

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.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.NF.A.2) Use equivalent fractions as a strategy to add and subtract fractions.
Ages 10 - 11

## A Tall Order

SUPPORTS 5.NF.A.2: Solve word problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators, e.g., by using visual fraction models or equations to represent the problem. Use benchmark fractions and number sense of fractions to estimate mentally and assess the reasonableness of answers. For example, recognize an incorrect result 2/5 + 1/2 = 3/7, by observing that 3/7 < 1/2.