medium 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): [32] → [_, 17] → [9, 6, _] → [_, 3, 3, _]

Show answer

Answer: Row3[3]=11, Row4[1]=6, Row2[1]=15, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [15,17]
  • [9,6,11]
  • [6,3,3,8]
Base
  • 6
  • 3
  • 3
  • 8
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":0,"v":15}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [_, _] → [15, 15, _] → [5, 10, _, 6]

Show answer

Answer: Row3[3]=11, Row4[3]=5, Row2[2]=26, Row2[1]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [30,26]
  • [15,15,11]
  • [5,10,5,6]
Base
  • 5
  • 10
  • 5
  • 6
TopValue
56
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":1,"v":26}
  • {"r":1,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [11, 8, 8] → [8, _, 5, 3]

Show answer

Answer: Row1[1]=35, Row4[2]=3, Row2[1]=19, Row2[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [19,16]
  • [11,8,8]
  • [8,3,5,3]
Base
  • 8
  • 3
  • 5
  • 3
TopValue
35
HiddenCells
  • {"r":0,"c":0,"v":35}
  • {"r":3,"c":1,"v":3}
  • {"r":1,"c":0,"v":19}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [_, 30] → [11, _, 15] → [_, _, 8, 7]

Show answer

Answer: Row3[2]=15, Row4[2]=7, Row4[1]=4, Row2[1]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [26,30]
  • [11,15,15]
  • [4,7,8,7]
Base
  • 4
  • 7
  • 8
  • 7
TopValue
56
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":0,"v":26}