# 2.NBT.B.9 Worksheets, Workbooks, Lesson Plans, and Games

#### CCSS.maths.CONTENT.2.NBT.B.9

:
"Explain why addition and subtraction strategies work, using place value and the properties of operations."

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

## Worksheets

Subtract the 10s First! (Part One)
Worksheet
Subtract the 10s First! (Part One)
Your child will use a 10x10 number chart to subtract two digit numbers.
Year 3
Worksheet
Subtract Ten or One to Get to One!
Worksheet
Subtract Ten or One to Get to One!
Travel through the hundreds chart on a quest to one.
Year 3
Maths
Worksheet
Subtracting Ten and One on the Hundreds Chart
Worksheet
Subtracting Ten and One on the Hundreds Chart
Make your student number one with this worksheet full of subtraction fun using a hundreds chart.
Year 3
Maths
Worksheet

## Lesson Plans

Double Trouble: Subtraction practise
Lesson plan
Double Trouble: Subtraction practise
Double-digit trouble? No problem! Your students will practise their decomposing and regrouping skills in this lesson.
Year 3
Maths
Lesson plan
Big Spenders
Lesson plan
Big Spenders
Get ready to do some shopping! In this lesson, students will learn about subtracting 100 from multiples of 100 when making big purchases.
Year 3
Maths
Lesson plan
Building My maths Fluency
Lesson plan
Building My maths Fluency
Tap into students' metacognitive skills and get them to think about their thinking! This lesson encourages students to pay attention to the strategies they use while supporting maths fluency!
Year 3
Maths
Lesson plan
Lesson plan
Guide students to use base ten blocks to solve two-digit by one-digit addition problems with regrouping. This lesson can be used independently or paired with the lesson Adding it All Up.
Year 3
Maths
Lesson plan

## Workbooks

No workbooks found for this common core node.

## Games

No games found for this common core node.

## Exercises

No exercises found for this common core node.

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