Learning Library

# 1.OA.D.8 Worksheets

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

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

These worksheets 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
Mystery Number
Worksheet
Mystery Number
Find the mystery number in this intro-to-algebra worksheet that practise places value.
Year 2
Maths
Worksheet
Worksheet
It’s time for students to make their own number bonds! In this activity, students will be given number sentences to solve and represent using number bonds.
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
Stamp Subtraction
Worksheet
Stamp Subtraction
This subtraction worksheet will help strengthen your students' ability of understanding word problems and they key words involved. Plenty of space is included for students to show their thinking!
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
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
Solve the Story Problem
Worksheet
Solve the Story Problem
Practise solving different types of subtraction word problems with this worksheet. Plenty of space is included for students to show their thinking!
Year 2
Maths
Worksheet
Vocabulary Cards: Subtraction Strategies
Worksheet
Vocabulary Cards: Subtraction Strategies
Use these vocabulary cards with the EL Support Lesson Plan: Subtraction Strategies.
Year 2
Maths
Worksheet
Break the Numbers Down!
Worksheet
Break the Numbers Down!
Students learn to decompose numbers through this fun activity. After being given a number, young mathematicians come up with their own way to decompose the number into two different numbers.
Year 2
Maths
Worksheet
Number Bonds All Around
Worksheet
Number Bonds All Around
Number bonds are a great way for your kids to explore the relationship between addition and subtraction. By filling in the missing numbers, students get experience with fact families.
Year 2
Maths
Worksheet
Pokeman Problems
Worksheet
Pokeman Problems
Use this unique Pokemon-themed worksheet to give kids fun practise solving word problems that involve subtracting multiples of ten!
Year 2
Maths
Worksheet

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