Page 50 - 04MATY4 318 STEwsh DRM_Neat

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• Stamp division •••••• • Paper folding • • , . ~ "1'1 :4 ;,!., .. :~: ~I~ "1"'1_· j I , 51

Fold the shapes into quarters each time .
• If there are 84 stamps in rows of 6,
estimate how many rows there will be .
• Find out if your estimate is correct.
This is one way to work out
the answer as a division - rn
using the x1 0 and x4 tables.
Find ways to make these patterns by cutting. Practical: folding
Stick them in your book.
Mark the axes of symmetry with a felt-tip pen. shapes into quarters.
a

See below.
OJ Use the stamps
to help you.
Copy and complete
the divisions.
Open: making 3 more
patterns and marking
axes of symmetry.
Make 3 more patterns of your own.
Stick them in your book.
Mark the axes of symmetry.
Challenge
r CHALLENGE
[[] Work out how many rows in these blocks of stamps. -Investigate ways to make patterns Open: investigating
with paper shapes like these 00 patterns made by
a 56 stamps in rows of 4. b 75 stamps in rows of 5.
c 51 stamps in rows of 3. d 72 stamps in rows of 6. folded into quarters. folding regular
e 84 stamps in rows of 7. f 135 stamps in rows of 9.
hexagons and
octagons.
rn

a 14 b 12
3142 q I10a
- 30 (10 rows of 3) - qO (1 0 rows of q)
12 stamps left 18 stamps left
- 12 (4 rows of 3) 18 (2 rows of q)
o stamps left o stamps left
t t
14 rows of stamps 12 rows of stamps

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a 14 b 15 c 17 d 12 e 12 f 15