1 out of 3
Are these statements always true, sometimes true or never true?
1 out of 3
Think of a number, square it and subtract your starting number. Is the number you're left with odd or even? How do the images help to explain this?
1 out of 3
One block is needed to make an up-and-down staircase, with one step up and one step down. How many blocks would be needed to build an up-and-down staircase with 5 steps up and 5 steps down?
2 out of 3
Cut differently-sized square corners from a square piece of paper to make boxes without lids. Do they all have the same volume?
2 out of 3
The discs for this game are kept in a flat square box with a square hole for each. Use the information to find out how many discs of each colour there are in the box.
2 out of 3
Mrs Morgan, the class's teacher, pinned numbers onto the backs of three children. Use the information to find out what the three numbers were.
2 out of 3
Can you make square numbers by adding two prime numbers together?
2 out of 3
Can you make a cycle of pairs that add to make a square number using all the numbers in the box below, once and once only?
2 out of 3
Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you work out the rule for each light?
3 out of 3
Nine squares with side lengths 1, 4, 7, 8, 9, 10, 14, 15, and 18 cm can be fitted together to form a rectangle. What are the dimensions of the rectangle?
