problem solving [subtraction quiz] [colouring a maze]

- 2

• 

- 3

• 

- 4

• 

- 5

• 

The ONE remaining WHITE number is?
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100

Hidden within the MAZE are the numbers of FOUR groups of subtraction sums [-2 -3 -4 -5]. Look above the BLUE coloured crayon to see that you have to find the numbers in the grid which subtract a 2 each time. Find the starting number 52 in the LEFT hand column of the grid and finish at the RIGHT hand side of the grid. Click on each of the numbers ONCE to colour that box BLUE. Don't worry if you make a mistake just keep clicking on the number until the colour turns back to WHITE. Look above the YELLOW coloured crayon to see that you have to find the numbers in the grid which subtract a 3 each time. Find the starting number 75 in the LEFT hand column of the grid and finish at the RIGHT hand side of the grid. Click on each of the numbers TWICE to colour that box YELLOW. Again, don't worry if you make a mistake just keep clicking on the number until the colour turns back to WHITE. Look above the ORANGE coloured crayon to see that you have to find the numbers in the grid which subtract a 4 each time. Find the starting number 100 in the LEFT hand column of the grid and finish at the RIGHT hand side of the grid. Click on each of the numbers THREE times to colour that box ORANGE. Again, don't worry if you make a mistake just keep clicking on the number until the colour turns back to WHITE. Look above the GREEN coloured crayon to see that you have to find the numbers in the grid which subtract a 5 each time. Find the starting number 115 in the LEFT hand column of the grid and finish at the RIGHT hand side of the grid. Click on each of the numbers FOUR times to colour that box GREEN. Again, don't worry if you make a mistake just keep clicking on the number until the colour turns back to WHITE. You should be left with ONE remaining number which is NOT used. Put your number into the answer sheet at the bottom and click GET SCORE. To start the activity again just refresh the page.