hard Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [24, 24, _] → [_, 12, _, 16] → [4, _, 4, _, 8]

Show answer

Answer: Row4[1]=12, Row1[1]=100, Row5[4]=8, Row2[1]=48, Row2[2]=52, Row5[2]=8, Row3[3]=28, Row4[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [48,52]
  • [24,24,28]
  • [12,12,12,16]
  • [4,8,4,8,8]
Base
  • 4
  • 8
  • 4
  • 8
  • 8
TopValue
100
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":0,"c":0,"v":100}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":0,"v":48}
  • {"r":1,"c":1,"v":52}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":2,"v":28}
  • {"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): [78] → [_, _] → [_, _, 20] → [_, _, 12, _] → [_, 2, 7, 5, 3]

Show answer

Answer: Row4[2]=9, Row2[2]=41, Row3[2]=21, Row2[1]=37, Row4[1]=7, Row4[4]=8, Row3[1]=16, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [37,41]
  • [16,21,20]
  • [7,9,12,8]
  • [5,2,7,5,3]
Base
  • 5
  • 2
  • 7
  • 5
  • 3
TopValue
78
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":41}
  • {"r":2,"c":1,"v":21}
  • {"r":1,"c":0,"v":37}
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 20, 17] → [_, _, 10, 7] → [1, _, _, 3, 4]

Show answer

Answer: Row4[2]=10, Row1[1]=71, Row2[1]=34, Row4[1]=4, Row2[2]=37, Row5[3]=7, Row3[1]=14, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [34,37]
  • [14,20,17]
  • [4,10,10,7]
  • [1,3,7,3,4]
Base
  • 1
  • 3
  • 7
  • 3
  • 4
TopValue
71
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":71}
  • {"r":1,"c":0,"v":34}
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":1,"v":37}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":0,"v":14}
  • {"r":4,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 29] → [_, _, 15] → [_, 5, _, _] → [_, 1, _, 5, 1]

Show answer

Answer: Row5[1]=5, Row1[1]=54, Row5[3]=4, Row4[3]=9, Row4[4]=6, Row4[1]=6, Row3[2]=14, Row3[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [25,29]
  • [11,14,15]
  • [6,5,9,6]
  • [5,1,4,5,1]
Base
  • 5
  • 1
  • 4
  • 5
  • 1
TopValue
54
HiddenCells
  • {"r":4,"c":0,"v":5}
  • {"r":0,"c":0,"v":54}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":0,"v":11}