Page 100 - steps 3b.pdf

RM103

Addition (2) 3b:25

rn Find the missing numbers. [g] Look at your answers in rn.

With a ruler, join the pairs of
D
a 14 20 numbers which total 20.
+
D 10 I I I
b 10 - 20 14 I
+
D 14 20 I I
C + 6

D +
d 1 1 - 20 q

e 12 + D 20 12
13
D 5 1 1
+
f 13 20 12
I I q
D + I I 7
9 15 20 1 1 I I 15

D 11
h 1 1 - 20 Q 8
+
q + D - 20 8 6 10 14

D + 12 20
j -
17
7
~ 10 12
Complete this table.
Then join the input numbers
to the output numbers on the
6
circle's circumference.

input I + 8 I output 16 13

1 q
4 3
6
4
11 15
8
2 q 8

5
14 q
q 2

3
141 Decide on rules to colour
7 your patterns.
e ,------------- ---,

Working systematically to create spatial patterns from
Name addit ion patterns .

. Date
I
© , 993 Collins Educational (an imprint of HarperCollinsPublishers) STEPS 3b