starter Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, _] → [3, 10, 1]

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Answer: Row2[2]=11, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [3,10,1]
Base
  • 3
  • 10
  • 1
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [10, _] → [_, 9, 8]

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Answer: Row2[2]=17, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [10,17]
  • [1,9,8]
Base
  • 1
  • 9
  • 8
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, 12] → [_, 8, 4]

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Answer: Row2[1]=17, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [17,12]
  • [9,8,4]
Base
  • 9
  • 8
  • 4
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 9] → [5, 7, 2]

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Answer: Row1[1]=21, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [5,7,2]
Base
  • 5
  • 7
  • 2
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":1,"c":0,"v":12}