Transcript Number

Who still wants to be a
Mathematician?
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In association with “Lets Learn some Maths!”
Question 1
Which of these numbers is not a multiple of 6?
A.25
B.12
C.18
D.36
Success Criteria
Multiples of 6:
•Is it an even
number?
•Are the sum of its
digits divisible by 3?
That’s the
Wrong 0 money
Wrong
Answer
Walk away 0
next
And will start on Question……
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11 Q12
Q13
Q14
Q15
That’s the
Wrong 1000 money
Wrong
Answer
Walk away 1000
£1000
next
And will start on Question……
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11 Q12
Q13
Q14
Q15
That’s the
Wrong 32000 money
Wrong
Answer
Walk away 32000
next
And will start on Question……
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11 Q12
Q13
Q14
Q15
Yes
That’s
Correct
Question 2
What is 501 multiplied by 10?
A.5010
B.5001
C.50.1
D.50100
Success Criteria
•Move the digits
one place to the left
•Fill the space with a
zero
Yes
That’s
Correct
200
Question 3
Round 831 to the nearest 10
A.800
B.840
C.830
D.835
Success Criteria
•Look at the units
digit
•If it is 5 or more,
round up the tens
digit
•If it is less than 5,
the tens digit stays
the same
Yes
That’s
Correct
300
Question 4
What is 25% of 200
A.100
B.25
C.55
D.50
Success Criteria
•100% is the entire
number
•50% is half the
entire number
•25% is half of 50%
Yes
That’s
Correct
500
Question 5
Which of these numbers is a factor of 42?
A.12
Success Criteria
B.4
•Will it divide
exactly into 42?
C.6
•If you multiply it
by another number
will it make 42?
D.5
Yes
That’s
Correct
1000
Question 6
The product of 2.5, 10 and 5 is…
A.17.5
B.125
C.40
D.100
Success Criteria
•Product means
multiply
•To multiply by 10
move the digits one
place to the left.
Yes
That’s
Correct
2000
Question 7
What is the next number in this sequence?
2.4, 4.8, 9.6, 19.2,…
A.32.2
B.40.4
C.38.0
D.38.4
Success Criteria
•Look for the pattern
•Increasing = + or X
•Decreasing =  or –
•How much is it
increasing/decreasing by each
time?
Yes
That’s
Correct
4000
Question 8
Which of these fractions is equivalent to
7/ ?
8
17
A. /18
B.42/48
C.1/3
D.49/64
Success Criteria
•Change into equivalent
fraction by either multiplying
or dividing the numerator
and denominator by the
same amount.
•What you do to the
numerator you do to the
denominator
Yes
That’s
Correct
8000
Question 9
Put
1/
3/
2,
5,
3/
7/
11/
10,
10,
20
in ascending order.
A. 3/10,
1/
11/
3/
7/
2,
20,
5,
10
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B. 1/2,
3/
5,
3/
7/
11/
10,
10,
20
Click here
C. 1/2,
3/
5,
3/
11/
7/
10,
20,
10
Click here
3/
7/
11/
5,
10,
20
Click here
D. 3/10, 1/2,
Success Criteria
•Make all the denominators the same by making equivalent fractions
•Ascending order means lowest value to highest
Yes
That’s
Correct
16,000
Question 10
What is 42x12?
A.424
Success Criteria
B.504
•Multiply the first number
C.404
•Then multiply the first
D.524
by the tens of the second
number
number by the units of the
second number
•Add up the two answers
Yes
That’s
Correct
32,000
Question 11
Which of these numbers is divisible by 8?
A.979
B.4232
C.6418
D.986
Success Criteria
Divisible by 8:
•Is half of the number
divisible by 4?
Divisible by 4:
•Can the last two digits be
divided by four?
Yes
That’s
Correct
64,000
Question 12
The full price for a train ticket is £17.50, but you got a special
children’s rate ticket for half price.
How much change should you have from £10?
A.£2.50
B.£1.50
C.£1.25
Success Criteria
•What are the key words and numbers?
D.£2.25
•What operation is needed?
•Split the problem into parts
•Make sure all parts are complete
Yes
That’s
Correct
125,000
Question 13
0.56 x 0.02 =
A.1.112
Success Criteria
B.0.112
•Remember when you
multiply 2 decimal numbers
they get smaller each time.
C.0.0112
D.11.2
e.g.
•5x0.5=2.5
•0.5 x 0.5=0.25
•0.05x0.5=0.025
Yes
That’s
Correct
250,000
Question 14
Which of these values is largest?
A.0.089 x 100
B.23
C.The square root
of 81
D.88% of 10
Success Criteria
•Work out each value
•Which is the largest?
Yes
That’s
Correct
500,000
Question 15
What is 12.02 x 0.02
Success Criteria
•Partition the first number and
multiply each part by the
second number.
•Use what you know to work
out each part at a time:
•12 x 2 = 24
•12 x 0.2 = 2.4……
A.0.2404
B.24.04
C.2.44
D.2.404
Yes,
AMAZING
That’s Correct
1,000,000