# Unit Overview: Addition and subtraction (applying strategies)

## Lessons:

10 lessons

### To apply knowledge of number bonds

In this lesson, we will use our previous knowledge and understanding of number bonds.

• 1 Quiz
• 12m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To add two-digit numbers and ones

In this lesson, we will recap what a two digit number is and then use this information to create number sentences by adding on ones.

• 2 Quizzes
• 12m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To subtract two-digit numbers and ones

In this lesson, we will subtract ones from two-digit numbers.

• 2 Quizzes
• 11m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To add two-digit numbers and ones with regrouping

In this lesson, we will add two-digit numbers and ones together with regrouping.

• 2 Quizzes
• 9m Video
• Presentation(PPT)
• Worksheet

### To subtract two -digit numbers and ones with regrouping

In this lesson, we will subtract ones from two-digit numbers with regrouping.

• 1 Quiz
• 14m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To solve word problems

In this lesson, we will use addition and subtraction knowledge to solve word problems.

• 1 Quiz
• 18m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To explore addition and subtraction (Part 1)

In this lesson, we will use addition and subtraction strategies to solve equations.

• 2 Quizzes
• 14m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To explore addition and subtraction (Part 2)

In this lesson, we will use addition and subtraction strategies to solve equations

• 2 Quizzes
• 12m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To solve problems in context using addition and subtraction (Part 1)

In this lesson, we will solve equations using addition and subtraction strategies.

• 2 Quizzes
• 18m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To solve problems in context using addition and subtraction (Part 2)

In this lesson, we will solve equations using addition and subtraction strategies.

• 2 Quizzes
• 16m Video
• Presentation(PPT)
• Worksheet
• Transcript