starter Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [20, _] → [_, 10, 2]

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Answer: Row2[2]=12, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [20,12]
  • [10,10,2]
Base
  • 10
  • 10
  • 2
TopValue
32
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [5, 8] → [2, _, _]

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Answer: Row3[2]=3, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [5,8]
  • [2,3,5]
Base
  • 2
  • 3
  • 5
TopValue
13
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [2, 9, 8]

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Answer: Row2[2]=17, Row1[1]=28

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [11,17]
  • [2,9,8]
Base
  • 2
  • 9
  • 8
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, 4] → [_, 3, 1]

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Answer: Row1[1]=8, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [8]
  • [4,4]
  • [1,3,1]
Base
  • 1
  • 3
  • 1
TopValue
8
HiddenCells
  • {"r":0,"c":0,"v":8}
  • {"r":2,"c":0,"v":1}