Page 34 - 04MATY4 318 STEwsh DRM_Neat

• Four-in-a-line . • • 15 counters' each • Class groups .~~.---,_,<!?,.fi<"i\.~I\"f '~iJ-... ~,.~ .. I.~~~~. 35
(2 colours). calculator
~:N'lS1'~ A game for two players y i'. . Mrs Hall grouped 20 children in 5s. ~0
,
PAGE 60 .. Share this board and take turns to play. How many groups?
On your turn, point to a division problem in one of the hexagons. . Indira wrote about the groups
Read it aloud and say the answer. like this.
Your partner checks your answer on the calculator.
If you were right, put a counter on that hexagon.
Now your partner chooses a problem.
o Clear the display after each check. ... then she wrote the answer
4 c,",tecs " a "00 w";§' ~
o The first player to get 0 0000 a above the line

OJ Use Indira's way to work out how many groups there will be.
a 16 children grouped in 2s b 24 children grouped in 4s
c 45 children grouped in 5s d 36 children grouped in 6s
e 21 children grouped in 3s f 90 children grouped in 10s
g 72 children grouped in 8s h 54 children grouped in 9s
Ravi wrote the answer like this: 5J 26

[]] Use Ravi's way to record the answers to these.
a 20 +2 b 32 +4 c 18+3 d 40 + 8
e 35 +5 f 30+6 g 27+3 h 70 + 10
i 40+4 j 30 + 5 k 81 + 9 I 64 + 8
m 45 +9 n 54 +6

CHALLENGE
a o b 7
8100 0100

II

OJ [gJ

Game using board, counters and calculator. a 8 groups b 6 groups a 10 b 8 c 6 d 5
Answering division problems to get four c q groups d 6 groups e 7 f 5 g q h 7
counters in a line.
e 7 groups f q groups 10 6 k q I 8
g q groups h 6 groups m 5 n q o 7

Challenge

Several possibilities such as:
a b c
3 7 16
8124 61 42 31 48