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Subtraction

Level 4 - foundation

Mixed 1d/2d − 1d

6 visual blocks - same-change or add-up

1

Read the shape

Level 4 visual plan for Mixed 1d/2d − 1d
Look for the distance between the numbers. Mixed 1d/2d − 1d.

Look for the distance between the numbers. Mixed 1d/2d − 1d.

2

Pick the method

Subtraction: block 2 Visual guide level shape Mixed 1d/2d − 1dPick 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 Mixed 1d/2d − 1dFirst 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 Mixed 1d/2d − 1dCheckAdd 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 Mixed 1d/2d − 1dPlay the modeUse the quickest safe method. image-first, then practice
Use the quickest safe method.

Use the quickest safe method.

6

Watch-out

Subtraction: block 6 Visual guide level shape Mixed 1d/2d − 1dWatch-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.

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