Or search by topic
Satisfying Four Statements printable sheet
Ash, Si, Sami and Mani are playing a game.
Each of them writes down a statement that describes a set of numbers.
Ash writes, "Multiples of five."
Si writes, "Triangular numbers."
Sami writes, "Even, but not multiples of four."
Mani writes, "Multiples of three but not multiples of nine."
Can you find some two-digit numbers that belong in two of the sets?
Can you find some two-digit numbers that belong in three sets?
What is the smallest number that belongs in all four sets?
How could you describe the pattern of the numbers that satisfy both Ash's and Sami's statements?
How about the numbers that satisfy both Ash's and Mani's statements?
Can you describe patterns for other pairs of statements?
You might now like to play the game Statement Snap and then have a go at Charlie's Delightful Machine.
Place four pebbles on the sand in the form of a square. Keep adding as few pebbles as necessary to double the area. How many extra pebbles are added each time?
Suppose we allow ourselves to use three numbers less than 10 and multiply them together. How many different products can you find? How do you know you've got them all?
Investigate the different shaped bracelets you could make from 18 different spherical beads. How do they compare if you use 24 beads?