Name: __________________________________________________
1. When you are asked to explain your ideas about a problem, what do
you need to consider?
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2. Nicola was playing snakes and ladders. She rolled a ‘6’ three times in
a row! ‘It must be because 6 is the most likely number to roll’ said
Nicola. Is she right? Explain why/why not.
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3. Olivia knows that prime numbers over 2 are always odd.
‘Twenty five is bigger than two, and it is odd, so it must be a prime
number’ she thinks. Is this true or false, and why?
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4. The number pattern is:
1, 4, 10, 22, 46, _______, ________, ________
What are the next three numbers? Explain how you worked it out.
5. Sequinned ribbon = £2.40 /m
Satin ribbon = £ 0.80 per 30cm
Misha has a picture frame that she would like to decorate. It is 60cm
wide and 30cm high. She is going to choose a ribbon that goes all the
way around the outside.
Misha thinks that it will be cheaper to buy the sequinned ribbon. Is she
right? Show how she could have worked this out.
6. 13.78 x 42 = 578.86
Use this information to work out
137.8 x 4.2 =
Explain your answer
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