starter Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [8, _] → [4, _, 5]

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Answer: Row2[2]=9, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [8,9]
  • [4,4,5]
Base
  • 4
  • 4
  • 5
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 18] → [7, 10, _]

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Answer: Row1[1]=35, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [17,18]
  • [7,10,8]
Base
  • 7
  • 10
  • 8
TopValue
35
HiddenCells
  • {"r":0,"c":0,"v":35}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 14] → [5, _, 10]

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Answer: Row2[1]=9, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [9,14]
  • [5,4,10]
Base
  • 5
  • 4
  • 10
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [10, 6] → [5, _, _]

Show answer

Answer: Row3[3]=1, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [10,6]
  • [5,5,1]
Base
  • 5
  • 5
  • 1
TopValue
16
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"c":1,"v":5}