RIC-0563 Developing algebraic thinking

ALPHABET ALGEBRA
Teachers notes
Alphabet a g a + b + c = a + d + e = e + f + g = g + h + i
algebra M
f
b + c = d + e a + d = f + g e + f = h + i
b
d
h
e
c i 0 1 3 6
7
5 4 3 8
5 2 9
8
7
6 9 4 0
Alphabet a f a + b + c + d = a + e + i = f + g + h + i
algebra N b
b + c + d = e + i a + e = f + g + h
e
g
c h
d i
5 4 8 9
3 9 3
8
7 5
6 0 6 1
1 2 2 4
Alphabet a b c a + b + c = c + d + e = e + f + g = g + h + a
algebra O a + b = d + e c + d = f + g
h d
e + f = h + a
g f e 7 0 5 8 1 6
2 6 3 7
3
8
1
4
9
2
Alphabet a f g a + b + c + d + e = a + f + g = g + h + i = i + j + c
algebra P b h b + c + d + e = f + g a + f = h + i g + h = j + c
c j i
d
9 6 2 7 6 2
e
3 7 4 8
4 5 8 1 9 5
1
0
0
3
Alphabet a h g a + b + c = c + d + e = e + f + g = g + h + a + h + i = e + i
algebra Q a + b = d + e c + d = f + g e + f = h + a
b f c + d = i
f + g = i
c d e
i 8 5 3 7 5 1
2 4 0 8
6
1
9 7
6
3
4 9
R.I.C. Publications ® www.ricgroup.com.au DEVELOPING ALGEBRAIC THINKING 105
ISBN 978-1-74126-088-5