Page 22 - Crossing the B Line Book 2

Basic Maths

Addition and subtraction by brick (Up to 20) - Options 18 to 20

A&S Option 18 A&S Option 19 A&S Option 20

Yellow to 16 - 11 5 Dark Blue to 13 - 4 9 Orange to 17 - 9 - 6 2
Red to 11 - 9 2 Red to 14 - 7 7 Green to 6 + 2 + 1 9
Orange to 3 + 3 + 3 9 Yellow to 4 + 4 + 2 10 Red to Green - Orange 7
Dark Blue to 12 + 7 - 13 6 Dark Blue to Yellow - Red 3 Dark Blue to 18 - Red - Red 4
Green to Orange - Yellow 4 Red to 3 + 3 + 3 9 Yellow to Green - Dark Blue - Orange 3
Light Blue to Green + Dark Blue 10 Orange to 19 - 6 - 6 7 Light Blue to 12 - Yellow - Yellow 6
Red to 17 - Orange 8 Green to 2 + 2 + 2 6 Green to Red - Light Blue 1
Green to Red - Yellow 3 Red to Orange - Green 1 Yellow to Red - Orange + Dark Blue 9
Orange to Light Blue - Orange 1 Light Blue to Yellow + Orange - 9 6 Red to 20 - Dark Blue - 14 2
Dark Blue to 14 - Yellow 9 Green to Light Blue - Dark Blue 3 Light Blue to 17 - Yellow + Green 9
Yellow to Green + Orange 4 Orange to 16 - Yellow 6 Orange to Red + Yellow - 5 6
Green to 16 - Light Blue 6 Yellow to 20 - Light Blue - Yellow 4 Yellow to 15 - Orange - 8 1
Orange to 13 - Green 7 Orange to Red + Dark Blue + 4 8 Red to Light Blue - Dark Blue + 5 10
Yellow to Orange - Green 1 Red to 13 - Orange - Red 4 Yellow to Red + Red - 13 7
Dark Blue to 14 - Red 6 Green to Red + Red 8 Light Blue to Orange + Dark Blue - Green 9 *
Orange to Light Blue - Orange 3 Light Blue to 18 - 4 - 4 10 Orange to Light Blue + Dark Blue - 4 9
Red to 19 - Light Blue 9 Yellow to 6 - Dark Blue 3 Dark Blue to 8 + 5 - 6 7
Green to 11 - Green 5 Red to 15 - Red - 8 3 Green to Red - Orange + 2 3
Red to Green + Orange 8 Light Blue to 5 + Red 8 Red to 17 - Orange - 5 3
Two bricks on first and last lines All end on Red line Two bricks on middle lines
Two bricks on Red line ( R & O ) Two bricks on Red line
*Remind Group

Don’t move if brick is in correct place

See p10 for general instructions.

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