hard Set 36 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [34, _] → [18, _, _] → [10, _, 8, 16] → [_, _, 1, _, _]

Show answer

Answer: Row2[2]=40, Row5[5]=9, Row5[1]=3, Row3[3]=24, Row5[4]=7, Row4[2]=8, Row3[2]=16, Row5[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [34,40]
  • [18,16,24]
  • [10,8,8,16]
  • [3,7,1,7,9]
Base
  • 3
  • 7
  • 1
  • 7
  • 9
TopValue
74
HiddenCells
  • {"r":1,"c":1,"v":40}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":1,"v":16}
  • {"r":4,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [_, 33] → [_, 13, _] → [_, _, 9, 11] → [1, _, 3, _, _]

Show answer

Answer: Row2[1]=19, Row4[2]=4, Row3[1]=6, Row5[4]=6, Row5[2]=1, Row5[5]=5, Row4[1]=2, Row3[3]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [19,33]
  • [6,13,20]
  • [2,4,9,11]
  • [1,1,3,6,5]
Base
  • 1
  • 1
  • 3
  • 6
  • 5
TopValue
52
HiddenCells
  • {"r":1,"c":0,"v":19}
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":0,"v":6}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":0,"v":2}
  • {"r":2,"c":2,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [20, 11, _] → [_, _, _, 10] → [3, _, 1, 1, _]

Show answer

Answer: Row5[2]=8, Row1[1]=54, Row4[1]=11, Row4[3]=2, Row4[2]=9, Row3[3]=12, Row2[1]=31, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [31,23]
  • [20,11,12]
  • [11,9,2,10]
  • [3,8,1,1,9]
Base
  • 3
  • 8
  • 1
  • 1
  • 9
TopValue
54
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":0,"c":0,"v":54}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":2,"v":12}
  • {"r":1,"c":0,"v":31}
  • {"r":4,"c":4,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 10, 18] → [_, 4, 6, _] → [4, 2, _, 4, _]

Show answer

Answer: Row1[1]=48, Row5[3]=2, Row3[1]=10, Row4[1]=6, Row5[5]=8, Row2[2]=28, Row4[4]=12, Row2[1]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [48]
  • [20,28]
  • [10,10,18]
  • [6,4,6,12]
  • [4,2,2,4,8]
Base
  • 4
  • 2
  • 2
  • 4
  • 8
TopValue
48
HiddenCells
  • {"r":0,"c":0,"v":48}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":1,"v":28}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":0,"v":20}