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Color Number: to be
Color next number red
<----------- across-----> 10 across by 10 down is 100
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d
o
w
n
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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

Help

Welcome to 100! This is a game of patterns. Change the numbers in the boxes and see what happens. You have to click on the Change! button to see what will happen.

Games for a ten by ten chart

  1. Can you figure out how to change a number's color? Change all the nines to the color red. (Or Click Here )
  2. Change all the ones to the color blue. Count how many blue ones there are. Write the number you get down on a piece of paper.
  3. Do the same for the number two up to the number nine. Make a list. Do you see a pattern?
  4. How many zeros are there? Is there a difference?
  5. What is special about the number at the end of each row?
  6. Change the chart to 9 across. What is special about the number at the end of each row?