Addition and Subtraction: Strategies (AC - EA)

AC - EA

ANIMATION: ANIMAL STRIPS 3

ANIMATION: POP STICKS (MAKING GROUPS OF 10)

THE NUMBER PARTNER

1. The Number Partner
2. Tutorial: "Learn how to break up numbers into pairs of smaller numbers."
3. Tutorial: Make one of the numbers a ten.
4. Tutorial: Use your doubles!  
5. Tens and Ones + Ones (Enter your own problem).
6. Tens and Ones + Ones (Solve the given problem).
7. Tens and Ones + Tens and Ones (Enter your own problem).

Learn to subtract like a pro!  Jump back to the nearest 10...

Teach Me!

1. Subtraction in parts: tutorial.
2. Subtract the tens then the ones: tutorial (alternative strategy). 
3. Subtract the ones then the tens: tutorial (alternative strategy). 

Practise!

1. Easy take away: random questions.
2. Easy take away: make your own.
3. Hard take away: random questions. 
4. Hard take away: make your own.

ANIMATION: ANIMAL STRIPS

NUMBER JUMPS

Use this tool to show jumps on a number line.