Learning Library

# 1.OA.D.8 Worksheets, Workbooks, Lesson Plans, and Games

#### CCSS.maths.CONTENT.1.OA.D.8

:
"Determine the unknown whole number in an addition or subtraction equation relating three whole numbers."

These worksheets and games can help students practise this Common Core State Standards skill.

## Worksheets

Worksheet
How many ways can you add up to ten? In this worksheet, kids practise making ten by filling in the missing number in each equation to make it equal ten.
Year 2
Maths
Worksheet
Simple Arithmetic
Worksheet
Simple Arithmetic
Have a ball with this addition and subtraction worksheet! Kids fill in the missing numbers on each beach ball to make its statement true.
Year 2
Maths
Worksheet
Worksheet
Your can experiment with addition facts here in the maths lab. Can he write the missing addition symbols and complete the problems?
Year 2
Maths
Worksheet
Worksheet
Not only can your child practise her maths facts with numbers between 1 and 20, she'll also practise writing addition problems with the correct symbols.
Year 2
Maths
Worksheet
Reach For The Stars #4
Worksheet
Reach For The Stars #4
Addition and subtraction fact families are blasting off the page. They're grouped neatly together and ready for your kid to learn them backwards and forwards.
Year 2
Maths
Worksheet
Mystery Number
Worksheet
Mystery Number
Find the mystery number in this intro-to-algebra worksheet that practise places value.
Year 2
Maths
Worksheet

## Lesson Plans

No plans found for this common core node.

## Workbooks

No workbooks found for this common core node.

## Games

What's Missing? Subtraction Song
Song
What's Missing? Subtraction Song
Kids figure out how many are missing with this catchy subtraction song.
Year 2
Maths
Song
Subtraction Pizza Party
Game
Subtraction Pizza Party
Mama mia! Kids must use subtraction skills to craft perfect pizzas in this game.
Year 2
Maths
Game

## Exercises

No exercises found for this common core node.

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