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Number Round Up

Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.

Grouping Goodies

Pat counts her sweets in different groups and both times she has some left over. How many sweets could she have had?

Prime Magic

Place the numbers 1, 2, 3,..., 9 one on each square of a 3 by 3 grid so that all the rows and columns add up to a prime number. How many different solutions can you find?

Number Detective

Age 5 to 11
Challenge Level

Calling all detectives!

You will need to think creatively, use your reasoning skills and your problem-solving strategies to find the mystery number from the list below.

  • The number has two digits.
  • Both of the digits are even.
  • The digit in the tens place is greater that the digit in the ones place.
  • The ones digit is not in the three times table.
  • The tens digit is not double the ones digit.
  • The sum of the two digits is a multiple of five.

18 & 86, 120 & 42, 46 & 64, 80 & 8, 22 & 83.

You might now like to play the game Statement Snap or have a go at Satisfying 4 Statements.