starter Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 17] → [5, 9, _]

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Answer: Row2[1]=14, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [14,17]
  • [5,9,8]
Base
  • 5
  • 9
  • 8
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"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): [20] → [7, _] → [_, 4, 9]

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Answer: Row3[1]=3, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [7,13]
  • [3,4,9]
Base
  • 3
  • 4
  • 9
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [19, _] → [9, _, 5]

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Answer: Row2[2]=15, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [19,15]
  • [9,10,5]
Base
  • 9
  • 10
  • 5
TopValue
34
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [17, _] → [_, 9, 5]

Show answer

Answer: Row3[1]=8, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [17,14]
  • [8,9,5]
Base
  • 8
  • 9
  • 5
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":1,"v":14}