Active Maths
Name.......................
Calculations: Mental calculation strategies.
Number Tracks - 2 The Rules Draw a line through any 20 numbers then add the total. Your line may start and finish anywhere but not cross itself. The line must not go through any number more than once. Only lines going across, up or down are allowed.
r o e t s Bo r e p ok u S
What is the highest total you can make? ................................................................... 6
2
6
1
7
4
3
5
9
0
8
0
5
3
9
1
7
4
8
8
2
6
0
9
3
5
1
7
4
4
8
3
6
1
7
0
9
2
5
6
1
7
4
3
5
9
2
8
0
0
8
6
2
3
5
9
1
7
4
8
7
4
9
1
2
6
0
5
3
7
4
8
2
9
1
6
0
5
3
2
6
1
7
4
3
5
9
0
8
2
6
0
5
3
9
1
7
4
8
7
4
8
2
6
0
9
3
5
1
4
8
3
6
1
7
0
9
2
5
1
7
4
3
5
9
2
8
0
8
6
2
3
5
9
1
7
4
7
4
9
1
2
6
0
5
3
7
4
8
2
9
1
6
0
5
3
4
8
2
6
0
9
3
5
1
7
3
6
1
7
0
9
2
5
4
8
ew i ev Pr
Teac he r
2
w ww 6 0 8
. te
m . u
8 2 6 0 9 1 © R ea dy E d3Pu5bl i ca7t i ons 3 6 1 7 0 9 2 5 4 8 •isf olowest rr e vyou i e wmake? pur posesonl y• What the total can 4
o c . che e r o t r s super
(Highest) ...................................................................................................... (Lowest) ....................................................................................................... (Difference) .................................................................................................. The difference between my two lines is .......................................................
Page 12
Ready-Ed Publications