hard Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [83] → [_, 47] → [_, _, 29] → [10, _, _, 19] → [3, 7, _, _, _]

Show answer

Answer: Row5[4]=9, Row4[3]=10, Row5[5]=10, Row2[1]=36, Row3[1]=18, Row4[2]=8, Row5[3]=1, Row3[2]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [36,47]
  • [18,18,29]
  • [10,8,10,19]
  • [3,7,1,9,10]
Base
  • 3
  • 7
  • 1
  • 9
  • 10
TopValue
83
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":0,"v":36}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [95] → [49, 46] → [_, 23, _] → [_, _, _, 11] → [_, _, _, 7, 4]

Show answer

Answer: Row5[3]=5, Row4[1]=15, Row3[3]=23, Row3[1]=26, Row4[3]=12, Row5[1]=9, Row5[2]=6, Row4[2]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [49,46]
  • [26,23,23]
  • [15,11,12,11]
  • [9,6,5,7,4]
Base
  • 9
  • 6
  • 5
  • 7
  • 4
TopValue
95
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":2,"v":23}
  • {"r":2,"c":0,"v":26}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, _] → [_, _, _] → [8, 6, 12, 13] → [6, _, _, _, 5]

Show answer

Answer: Row1[1]=75, Row5[4]=8, Row2[2]=43, Row3[1]=14, Row3[2]=18, Row5[2]=2, Row5[3]=4, Row3[3]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [32,43]
  • [14,18,25]
  • [8,6,12,13]
  • [6,2,4,8,5]
Base
  • 6
  • 2
  • 4
  • 8
  • 5
TopValue
75
HiddenCells
  • {"r":0,"c":0,"v":75}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":1,"v":43}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":2,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 54] → [_, _, _] → [5, 8, _, 12] → [_, 1, 7, _, 2]

Show answer

Answer: Row4[3]=17, Row3[1]=13, Row5[1]=4, Row5[4]=10, Row3[2]=25, Row2[1]=38, Row3[3]=29, Row1[1]=92

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [38,54]
  • [13,25,29]
  • [5,8,17,12]
  • [4,1,7,10,2]
Base
  • 4
  • 1
  • 7
  • 10
  • 2
TopValue
92
HiddenCells
  • {"r":3,"c":2,"v":17}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":1,"v":25}
  • {"r":1,"c":0,"v":38}
  • {"r":2,"c":2,"v":29}
  • {"r":0,"c":0,"v":92}