hard Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, 41] → [12, _, 22] → [6, _, _, _] → [_, 1, _, _, 1]

Show answer

Answer: Row1[1]=72, Row4[2]=6, Row4[3]=13, Row5[1]=5, Row5[3]=5, Row3[2]=19, Row4[4]=9, Row5[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [31,41]
  • [12,19,22]
  • [6,6,13,9]
  • [5,1,5,8,1]
Base
  • 5
  • 1
  • 5
  • 8
  • 1
TopValue
72
HiddenCells
  • {"r":0,"c":0,"v":72}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"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): [_] → [30, 30] → [16, _, 16] → [7, _, _, _] → [1, 6, _, _, _]

Show answer

Answer: Row3[2]=14, Row5[4]=2, Row4[3]=5, Row5[3]=3, Row5[5]=9, Row4[2]=9, Row1[1]=60, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [30,30]
  • [16,14,16]
  • [7,9,5,11]
  • [1,6,3,2,9]
Base
  • 1
  • 6
  • 3
  • 2
  • 9
TopValue
60
HiddenCells
  • {"r":2,"c":1,"v":14}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":1,"v":9}
  • {"r":0,"c":0,"v":60}
  • {"r":3,"c":3,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [100] → [43, 57] → [_, 24, 33] → [11, _, 16, _] → [_, _, _, _, _]

Show answer

Answer: Row3[1]=19, Row5[3]=6, Row5[1]=9, Row5[2]=2, Row5[5]=7, Row5[4]=10, Row4[4]=17, Row4[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [43,57]
  • [19,24,33]
  • [11,8,16,17]
  • [9,2,6,10,7]
Base
  • 9
  • 2
  • 6
  • 10
  • 7
TopValue
100
HiddenCells
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":3,"v":17}
  • {"r":3,"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): [_] → [_, 60] → [14, 30, _] → [3, _, 19, 11] → [2, _, _, _, _]

Show answer

Answer: Row1[1]=104, Row5[3]=10, Row5[2]=1, Row4[2]=11, Row2[1]=44, Row3[3]=30, Row5[4]=9, Row5[5]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [44,60]
  • [14,30,30]
  • [3,11,19,11]
  • [2,1,10,9,2]
Base
  • 2
  • 1
  • 10
  • 9
  • 2
TopValue
104
HiddenCells
  • {"r":0,"c":0,"v":104}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":1,"v":11}
  • {"r":1,"c":0,"v":44}
  • {"r":2,"c":2,"v":30}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":4,"v":2}