hard Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [34, 27] → [_, 15, _] → [_, 9, _, 6] → [_, 6, _, _, _]

Show answer

Answer: Row4[1]=10, Row5[5]=3, Row4[3]=6, Row5[4]=3, Row5[1]=4, Row3[3]=12, Row3[1]=19, Row5[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [34,27]
  • [19,15,12]
  • [10,9,6,6]
  • [4,6,3,3,3]
Base
  • 4
  • 6
  • 3
  • 3
  • 3
TopValue
61
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, _] → [17, _, _] → [4, _, 19, _] → [_, 3, 10, 9, _]

Show answer

Answer: Row5[1]=1, Row3[3]=32, Row5[5]=4, Row1[1]=113, Row3[2]=32, Row4[4]=13, Row2[2]=64, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [113]
  • [49,64]
  • [17,32,32]
  • [4,13,19,13]
  • [1,3,10,9,4]
Base
  • 1
  • 3
  • 10
  • 9
  • 4
TopValue
113
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":2,"v":32}
  • {"r":4,"c":4,"v":4}
  • {"r":0,"c":0,"v":113}
  • {"r":2,"c":1,"v":32}
  • {"r":3,"c":3,"v":13}
  • {"r":1,"c":1,"v":64}
  • {"r":3,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 31] → [14, 12, _] → [_, _, 6, _] → [_, _, 2, 4, _]

Show answer

Answer: Row5[1]=4, Row1[1]=57, Row3[3]=19, Row5[5]=9, Row5[2]=4, Row4[1]=8, Row4[4]=13, Row4[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [57]
  • [26,31]
  • [14,12,19]
  • [8,6,6,13]
  • [4,4,2,4,9]
Base
  • 4
  • 4
  • 2
  • 4
  • 9
TopValue
57
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":0,"c":0,"v":57}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"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): [112] → [_, 52] → [31, _, _] → [_, 18, _, _] → [3, _, 8, 3, _]

Show answer

Answer: Row4[4]=12, Row5[5]=9, Row3[2]=29, Row4[1]=13, Row3[3]=23, Row2[1]=60, Row4[3]=11, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [60,52]
  • [31,29,23]
  • [13,18,11,12]
  • [3,10,8,3,9]
Base
  • 3
  • 10
  • 8
  • 3
  • 9
TopValue
112
HiddenCells
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":1,"v":29}
  • {"r":3,"c":0,"v":13}
  • {"r":2,"c":2,"v":23}
  • {"r":1,"c":0,"v":60}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":1,"v":10}