MathsMate Term 4 Sheet 8

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Question 23

PREDICT: I predict that this will be about addition.

READ: The digit sum for 103 is 1+0+3, or 4. How many different three-digit numbers have a sum of 4?

CLARIFICATIONS: None.

MATHEMATITIONS TOOLBOX:  My tools were knowing my addition and ‘Make a sum or number sentence’.

THE BIG QUESTION:  How many different three-digit numbers have a sum of 4?

SUMMARY:  To figure it out, I thought of some different possible digit sums and then changed the numbers around in some of them to make them differet numbers.

MY ANSWER: 8

 


MathsMate Term 4 Sheet 6

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Question 22

PREDICT: I think that this is going be about transformation. 
READ: Move one match to make this statement correct.
CLARIFICATIONS: None.
MY TOOL: My tool was 'Have I seen a similar problem?'
THE BIG QUESTION: Move one match to make this statement correct.
SUMMARY: I used my simple maths skills to get the answer.
MY ANSWER: 5 - 2 = 3  (it was in roman numerals)

MathsMate Term 4 Sheet 5

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Question 22

PREDICT: I predict that this will be about transformation.
READ: Move 2 matches to leave 4 squares.
CLARIFICATIONS: None. 
MATHEMATITION'S TOOLBOX: My tool was 'Trial and Error'.
THE BIG QUESTION: Move 2 matches to leave 4 squares.
SUMMARY: It took a bit of problem solving but in the 
end I got it.
MY ANSWER:
MathsMate Term 4 Sheet 5

MathsMate Term 4 Sheet 4

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Question 23

PREDICT: I predict that this will be about mixed operations.
READ: I think of a number, double it and then add 8. If the
result is 40, what was the original number?
CLARIFICATIONS: None.
MATHEMATION'S TOOLBOX: My tool was 'Have I seen a similar problem?'
SUMMARY: What I did to work this out was to do each process backwards. 
So I started with 40 then subtracted 8. Then I halved that number, 
which was 32. Half of 32 is...
MY ANSWER: 16

MathsMate Term 4 Sheet 3

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Question 23

PREDICT: I predict that this will be about mixed operations 
and order of operations. 
READ: I  think of a number, double it and then a add 4. If 
the result is 20, what was the original number?
CLARIFICATIONS: None. 
MATHEMATION'S TOOLBOX: My tool was 'Have I seen a similar problem?'
SUMMARY: I thought it was quite easy because I knew exactly 
what to do, but there was a part in the problem that was a teeny 
bit confusing. 
MY ANSWER: 8