starter Set 54 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [13, _] → [8, 5, _]

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Answer: Row3[3]=2, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [13,7]
  • [8,5,2]
Base
  • 8
  • 5
  • 2
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [9, 8, 3]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [17,11]
  • [9,8,3]
Base
  • 9
  • 8
  • 3
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":1,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 14] → [3, _, 8]

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Answer: Row3[2]=6, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [9,14]
  • [3,6,8]
Base
  • 3
  • 6
  • 8
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"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): [16] → [_, _] → [7, 2, 5]

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Answer: Row2[2]=7, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [9,7]
  • [7,2,5]
Base
  • 7
  • 2
  • 5
TopValue
16
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":1,"c":0,"v":9}