hard Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, 43] → [25, 24, 19] → [_, _, _, _] → [_, 6, _, 2, _]

Show answer

Answer: Row4[1]=11, Row4[2]=14, Row4[3]=10, Row5[1]=5, Row4[4]=9, Row5[3]=8, Row5[5]=7, Row1[1]=92

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [49,43]
  • [25,24,19]
  • [11,14,10,9]
  • [5,6,8,2,7]
Base
  • 5
  • 6
  • 8
  • 2
  • 7
TopValue
92
HiddenCells
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":1,"v":14}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":4,"v":7}
  • {"r":0,"c":0,"v":92}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, _] → [19, 17, 15] → [11, _, 9, 6] → [_, _, _, _, _]

Show answer

Answer: Row5[2]=3, Row1[1]=68, Row2[2]=32, Row5[4]=4, Row5[1]=8, Row5[3]=5, Row5[5]=2, Row4[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [36,32]
  • [19,17,15]
  • [11,8,9,6]
  • [8,3,5,4,2]
Base
  • 8
  • 3
  • 5
  • 4
  • 2
TopValue
68
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":0,"c":0,"v":68}
  • {"r":1,"c":1,"v":32}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":4,"v":2}
  • {"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): [_] → [55, _] → [_, 32, _] → [_, 14, 18, 15] → [4, _, _, 9, _]

Show answer

Answer: Row2[2]=65, Row4[1]=9, Row5[2]=5, Row5[5]=6, Row1[1]=120, Row3[3]=33, Row5[3]=9, Row3[1]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [120]
  • [55,65]
  • [23,32,33]
  • [9,14,18,15]
  • [4,5,9,9,6]
Base
  • 4
  • 5
  • 9
  • 9
  • 6
TopValue
120
HiddenCells
  • {"r":1,"c":1,"v":65}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":4,"v":6}
  • {"r":0,"c":0,"v":120}
  • {"r":2,"c":2,"v":33}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [56, 64] → [_, _, _] → [_, 14, _, 18] → [6, 6, _, 8, _]

Show answer

Answer: Row1[1]=120, Row3[2]=30, Row3[3]=34, Row3[1]=26, Row4[1]=12, Row5[3]=8, Row5[5]=10, Row4[3]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [120]
  • [56,64]
  • [26,30,34]
  • [12,14,16,18]
  • [6,6,8,8,10]
Base
  • 6
  • 6
  • 8
  • 8
  • 10
TopValue
120
HiddenCells
  • {"r":0,"c":0,"v":120}
  • {"r":2,"c":1,"v":30}
  • {"r":2,"c":2,"v":34}
  • {"r":2,"c":0,"v":26}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":2,"v":16}