starter Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 10] → [9, 4, _]

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Answer: Row2[1]=13, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [13,10]
  • [9,4,6]
Base
  • 9
  • 4
  • 6
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 5] → [9, 2, 3]

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Answer: Row2[1]=11, Row1[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [11,5]
  • [9,2,3]
Base
  • 9
  • 2
  • 3
TopValue
16
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":0,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [8, 3, 9]

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Answer: Row1[1]=23, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [8,3,9]
Base
  • 8
  • 3
  • 9
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [15, _] → [7, _, 9]

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Answer: Row3[2]=8, Row2[2]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [15,17]
  • [7,8,9]
Base
  • 7
  • 8
  • 9
TopValue
32
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":17}