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): [29] → [18, 11] → [_, _, 1]

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Answer: Row3[2]=10, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [18,11]
  • [8,10,1]
Base
  • 8
  • 10
  • 1
TopValue
29
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 14] → [9, 9, _]

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Answer: Row3[3]=5, Row1[1]=32

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [18,14]
  • [9,9,5]
Base
  • 9
  • 9
  • 5
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":0,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [11, 19] → [_, _, 10]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [11,19]
  • [2,9,10]
Base
  • 2
  • 9
  • 10
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [6, 7, 8]

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Answer: Row1[1]=28, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [6,7,8]
Base
  • 6
  • 7
  • 8
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":1,"c":0,"v":13}