Page 21 - Crossing the B Line Book 2

Basic Maths

Addition and subtraction by brick (Up to 20) - Options 14 to 17

A&S Option 14 A&S Option 15 A&S Option 16 A&S Option 17

Red to 13 - 6 7 Yellow to 7 + 8 - 10 5 Yellow to 10 + 3 - 9 4 Light Blue to 5 + 13 - 14 4
Orange to 19 - 18 1 Red to 6 + 4 - 8 2 Light Blue to 10 + 7 - 6 1 Green to 7 + 3 - 8 2
Light Blue to 13 - 4 9 Orange to 5 + 5 - 1 9 Green to 10 + 9 - 11 8 Orange to 1 + 5 - 3 3
Green to 15 - 12 3 Dark Blue to 8 + 9 - 11 6 Orange to 10 + 8 - 15 3 Dark Blue to 7 + 8 - 5 10
Dark Blue to 17 - 10 7 Green to 7 + 3 - 6 4 Dark Blue to 10 + 7 - 9 6 Yellow to 9 + 4 - 11 2
Green to 12 - 8 4 Light Blue to 9 + 9 - 8 10 Red to 20 - 8 - 2 10 Light Blue to 8 + 7 - 10 5
Orange to 17 - 8 9 Red to 20 - 6 - 6 8 Green to 20 - 12 - 5 3 Orange to 19 - 13 - 2 4
Yellow to 16 - 11 5 Green to 6 + 7 - 10 3 Light Blue to 20 - 5 - 6 9 Green to 15 - 6 - 6 3
Orange to 13 - 7 6 Orange to 14 - 7 - 6 1 Dark Blue to 20 - 9 - 6 5 Orange to 12 + 7 - 18 1
Light Blue to 20 - 10 10 Dark Blue to 5 + 8 - 4 9 Red to 20 - 7 - 6 7 Dark Blue to 14 + 6 - 7 3
Green to 11 - 2 9 Yellow to 6 + 6 - 8 4 Yellow to 12 + 3 - 6 9 Light Blue to 5 + 13 - 11 7
Red to 14- 11 3 Green to 19 - 6 - 7 6 Orange to 9 + 8 - 16 1 Red to 8 + 9 - 13 4
Yellow to 16 - 6 10 Orange to 18 - 3 - 8 7 Red to 12 + 8 - 5 5 Green to 20 - 6 - 10 4
Dark Blue to 12 - 9 3 Yellow to 12 - 6 - 5 1 Green to 18 - 5 - 3 10 Light Blue to 17 - 16 + 2 3
Green to 15 - 11 4 Dark Blue to 2 + 15 - 11 6 Light Blue to 2 + 17 - 13 3 Orange to 9 + 2 - 8 3
Yellow to 13 - 5 8 Orange to 16 - 9 - 4 3 Orange to 10 + 3 - 6 7 Dark Blue to 11 - 1 - 8 2
Light Blue to 10 - 7 3 Red to 3 + 16 - 10 9 Yellow to 2 + 3 - 0 5 Orange to 13 - 6 - 1 6
Orange to 16 - 8 8 Green to 7 + 13 - 15 5 Light Blue to 17 - 12 + 5 10 Yellow to 9 - 5 - 3 1
Green to 12 - 6 6 Red to 20 - 6 - 6 8 Orange to 7 + 8 - 5 10 Green to 16 + 3 - 14 5
Green ends on bottom Two bricks on first and last All end on top line One brick ends on each
line lines line 1 - 6
Rest on Red line Two bricks on Red line
Which colour did you Which colour did you move Which colour did you move
move first? first? last?
Red Yellow Green

See p10 for general instructions.

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