hard Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [116] → [_, 48] → [_, _, 18] → [20, _, _, 6] → [10, _, _, 4, _]

Show answer

Answer: Row2[1]=68, Row3[1]=38, Row3[2]=30, Row4[3]=12, Row5[5]=2, Row4[2]=18, Row5[3]=8, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [68,48]
  • [38,30,18]
  • [20,18,12,6]
  • [10,10,8,4,2]
Base
  • 10
  • 10
  • 8
  • 4
  • 2
TopValue
116
HiddenCells
  • {"r":1,"c":0,"v":68}
  • {"r":2,"c":0,"v":38}
  • {"r":2,"c":1,"v":30}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":1,"v":18}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 15, _] → [7, 3, _, 19] → [_, 1, 2, _, 9]

Show answer

Answer: Row5[1]=6, Row2[1]=25, Row1[1]=71, Row5[4]=10, Row2[2]=46, Row3[1]=10, Row3[3]=31, Row4[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [25,46]
  • [10,15,31]
  • [7,3,12,19]
  • [6,1,2,10,9]
Base
  • 6
  • 1
  • 2
  • 10
  • 9
TopValue
71
HiddenCells
  • {"r":4,"c":0,"v":6}
  • {"r":1,"c":0,"v":25}
  • {"r":0,"c":0,"v":71}
  • {"r":4,"c":3,"v":10}
  • {"r":1,"c":1,"v":46}
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":2,"v":31}
  • {"r":3,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [21, 31, 29] → [_, _, _, _] → [3, _, 8, 10, 1]

Show answer

Answer: Row1[1]=112, Row2[2]=60, Row4[3]=18, Row4[1]=8, Row4[2]=13, Row2[1]=52, Row4[4]=11, Row5[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [52,60]
  • [21,31,29]
  • [8,13,18,11]
  • [3,5,8,10,1]
Base
  • 3
  • 5
  • 8
  • 10
  • 1
TopValue
112
HiddenCells
  • {"r":0,"c":0,"v":112}
  • {"r":1,"c":1,"v":60}
  • {"r":3,"c":2,"v":18}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":0,"v":52}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [62, _] → [32, 30, _] → [_, 18, _, 12] → [4, 10, _, _, _]

Show answer

Answer: Row3[3]=24, Row4[3]=12, Row5[3]=8, Row2[2]=54, Row4[1]=14, Row5[5]=8, Row5[4]=4, Row1[1]=116

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [62,54]
  • [32,30,24]
  • [14,18,12,12]
  • [4,10,8,4,8]
Base
  • 4
  • 10
  • 8
  • 4
  • 8
TopValue
116
HiddenCells
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":1,"v":54}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":3,"v":4}
  • {"r":0,"c":0,"v":116}