hard Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [_, 41] → [22, _, _] → [11, 11, _, _] → [_, _, 8, 2, _]

Show answer

Answer: Row5[2]=3, Row3[3]=20, Row2[1]=43, Row5[5]=8, Row3[2]=21, Row5[1]=8, Row4[4]=10, Row4[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [43,41]
  • [22,21,20]
  • [11,11,10,10]
  • [8,3,8,2,8]
Base
  • 8
  • 3
  • 8
  • 2
  • 8
TopValue
84
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":2,"v":20}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [87] → [_, _] → [_, _, 23] → [10, _, _, _] → [2, _, 2, 10, 1]

Show answer

Answer: Row4[3]=12, Row4[4]=11, Row3[2]=22, Row2[1]=42, Row2[2]=45, Row3[1]=20, Row4[2]=10, Row5[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [42,45]
  • [20,22,23]
  • [10,10,12,11]
  • [2,8,2,10,1]
Base
  • 2
  • 8
  • 2
  • 10
  • 1
TopValue
87
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":1,"v":22}
  • {"r":1,"c":0,"v":42}
  • {"r":1,"c":1,"v":45}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [_, 49] → [_, _, _] → [8, _, 12, _] → [2, _, 2, _, 7]

Show answer

Answer: Row3[3]=29, Row3[2]=20, Row4[4]=17, Row2[1]=36, Row4[2]=8, Row3[1]=16, Row5[4]=10, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [36,49]
  • [16,20,29]
  • [8,8,12,17]
  • [2,6,2,10,7]
Base
  • 2
  • 6
  • 2
  • 10
  • 7
TopValue
85
HiddenCells
  • {"r":2,"c":2,"v":29}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":3,"v":17}
  • {"r":1,"c":0,"v":36}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [50, _] → [28, _, 11] → [_, 15, _, 4] → [_, 10, 5, _, _]

Show answer

Answer: Row3[2]=22, Row5[1]=3, Row4[3]=7, Row2[2]=33, Row5[5]=2, Row4[1]=13, Row5[4]=2, Row1[1]=83

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [50,33]
  • [28,22,11]
  • [13,15,7,4]
  • [3,10,5,2,2]
Base
  • 3
  • 10
  • 5
  • 2
  • 2
TopValue
83
HiddenCells
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":1,"v":33}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":3,"v":2}
  • {"r":0,"c":0,"v":83}