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Wednesday 6 April 2016

Maths Code Breaker

Rounding Code Breaker

LI: to round whole numbers to the nearest 1, 10 and 1000.

A
B
C
D
E
F
G
H
I
400
450
55
510
0
550
22,000
900
10

J
K
L
M
N
O
P
Q
2000
200
56
40
940
100
3000
3300

R
S
T
U
V
W
X
Y
Z
6000
1400
1000
990
1320
520
1
4000
9999

Answer the following questions to crack my code.
Note: the order of the letters in each word has been muddled up.

Question
Answer
Letter
387 is between 300 and _400______.
400
A
1489 is between ___1400_____ and 1500.
1400
S
980 is between 900 and ____1000___.
1000
T
32 is between 30 and __40___.
40
M
863 is between 800 and ___900_____.
900
H

Round 7 to the nearest 10
10
I
Round 1420 to the nearest 100
   1400
S

Round 3,522 to the nearest 1000
4000
Y
Round 35 to the nearest 10
40
M

Round 1318 to the nearest 10
1320
V
Round 995 to the nearest 10
100
O
Round 12.6 to the nearest 10
10
I
Round 430 to the nearest 1000
400
A
Round 52 to the nearest 100
0
E
Round 554 to the nearest 10
550
F
Round 5,555 to the nearest 1000
6000
R
Round 397 to the nearest 10
100
O
Round 994 to the nearest 10
990
U

Round 1970 to the nearest 100
2000
J
Round 54.69 to the nearest whole number
55
C
Round 1429 to the nearest 1000
1000
T
Round 45 to the nearest 100
0
E
Round 986 to the nearest 10
990
U
Round 452.9 to the nearest 10
450
B
Round 1363 to the nearest 100
1400
S

The answer:

_M__ _A__ _T__ _H__ _S__ / _I__ _S__ / _M__ _Y__ / _F__ _A__ __V_ _O__ _U__ _R__ _I__ _T__ _E__ / _S__ _U__ _B__ _J__ __E_ _C__ _T__ .



Yesterday morning our task was to round the nearest ten,hundred or thousand. Our teacher made a fun activity which we had to crack the code we had to find the answer to each letter but the letters were muddled up so we had to find the word and put it in a sentence.The sentence was "My favourite subject is Maths". I think this task was sort of hard and easy.

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