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Subtraction

Level 1 - foundation

1-digit − 1-digit

6 visual blocks - same-change or add-up

1

Read the shape

Level 1 visual plan for 1-digit − 1-digit
Look for the distance between the numbers. 1-digit − 1-digit.

Look for the distance between the numbers. 1-digit − 1-digit.

2

Pick the method

Subtraction: block 2 Visual guide level shape 1-digit − 1-digitPick the methodMake one number round, or count up. image-first, then practice
Make one number round, or count up.

Make one number round, or count up.

3

First move

Subtraction: block 3 Visual guide level shape 1-digit − 1-digitFirst moveChoose the friendly round number. image-first, then practice
Choose the friendly round number.

Choose the friendly round number.

4

Check

Subtraction: block 4 Visual guide level shape 1-digit − 1-digitCheckAdd the answer back to the lower number. image-first, then practice
Add the answer back to the lower number.

Add the answer back to the lower number.

5

Play the mode

Subtraction: block 5 Visual guide level shape 1-digit − 1-digitPlay the modeBeat the clock with checked answers. image-first, then practice
Beat the clock with checked answers.

Beat the clock with checked answers.

6

Watch-out

Subtraction: block 6 Visual guide level shape 1-digit − 1-digitWatch-outAvoid borrowing when a cleaner view exists. image-first, then practice
Avoid borrowing when a cleaner view exists.

Avoid borrowing when a cleaner view exists.

Level 2

Practice Level 1

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