Worksheets and Whiteboard Resources for Elementary Math
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Math Topics K 5 Number Facts Checking Calculations

Grade 4 (4.OA.A.3) Use the four operations with whole numbers to solve problems.
Ages 8 - 10

Mystery Number

SUPPORTS 4.OA.A.3: Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.

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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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