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

Grade 1 (1.G.A.1) Reason with shapes and their attributes.
Ages 5 - 6

## 2D-Shapes

MEETS 1.G.A.1: Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); build and draw shapes to possess defining attributes.

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Grade 1 (1.G.A.2) Reason with shapes and their attributes.
Ages 8 - 9

## Nets

SUPPORTS 1.G.A.2: Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or three-dimensional shapes (cubes, right rectangular prisms, right circular cones, and right circular cylinders) to create a composite shape, and compose new shapes from the composite shape.

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Grade 1 (1.G.A.2) Reason with shapes and their attributes.
Ages 5 - 6

## Triangle Man's Tangrams

SUPPORTS 1.G.A.2: Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or three-dimensional shapes (cubes, right rectangular prisms, right circular cones, and right circular cylinders) to create a composite shape, and compose new shapes from the composite shape.

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Grade 1 (1.NBT.A.1) Extend the counting sequence.
Ages 7 - 8

## Count Forwards

SUPPORTS 1.NBT.A.1: Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.

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Grade 1 (1.NBT.A.1) Extend the counting sequence.

## Number Signs (1)

MEETS 1.NBT.A.1: Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.

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Grade 1 (1.NBT.C.4) Use place value understanding and properties of operations to add and subtract.
Ages 7 - 8

## Stock Car Sums

SUPPORTS 1.NBT.C.4: Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, 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. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

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Grade 1 (1.NBT.C.4) Use place value understanding and properties of operations to add and subtract.
Ages 7 - 8

## Stock Car Sums

SUPPORTS 1.NBT.C.4: Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, 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. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

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Grade 1 (1.NBT.C.6) Use place value understanding and properties of operations to add and subtract.

## 10 More or 10 Less

SUPPORTS 1.NBT.C.6: Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), 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 1 (1.NBT.C.6) Use place value understanding and properties of operations to add and subtract.

## 10 More or 10 Less

SUPPORTS 1.NBT.C.6: Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), 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.