Name: __________________________________________________ 1. When you are asked to explain your ideas about a problem, what do you need to consider? ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 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. ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 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? ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 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 ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________