hard Set 33 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [_, 42] → [10, 14, _] → [6, _, 10, _] → [_, _, _, 8, _]

Show answer

Answer: Row3[3]=28, Row4[2]=4, Row5[1]=4, Row5[3]=2, Row5[5]=10, Row5[2]=2, Row2[1]=24, Row4[4]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [24,42]
  • [10,14,28]
  • [6,4,10,18]
  • [4,2,2,8,10]
Base
  • 4
  • 2
  • 2
  • 8
  • 10
TopValue
66
HiddenCells
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":1,"v":4}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":1,"v":2}
  • {"r":1,"c":0,"v":24}
  • {"r":3,"c":3,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, _] → [26, _, 5] → [17, 9, 3, _] → [_, _, 2, _, _]

Show answer

Answer: Row5[5]=1, Row5[1]=10, Row2[2]=17, Row5[2]=7, Row2[1]=38, Row5[4]=1, Row4[4]=2, Row3[2]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [38,17]
  • [26,12,5]
  • [17,9,3,2]
  • [10,7,2,1,1]
Base
  • 10
  • 7
  • 2
  • 1
  • 1
TopValue
55
HiddenCells
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":1,"v":17}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":0,"v":38}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":3,"v":2}
  • {"r":2,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [38, 38] → [_, 20, _] → [_, _, _, _] → [_, 3, 6, 5, 2]

Show answer

Answer: Row3[1]=18, Row3[3]=18, Row4[1]=9, Row5[1]=6, Row4[4]=7, Row4[2]=9, Row4[3]=11, Row1[1]=76

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [38,38]
  • [18,20,18]
  • [9,9,11,7]
  • [6,3,6,5,2]
Base
  • 6
  • 3
  • 6
  • 5
  • 2
TopValue
76
HiddenCells
  • {"r":2,"c":0,"v":18}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":11}
  • {"r":0,"c":0,"v":76}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [56, _] → [_, 25, 28] → [_, _, 12, 16] → [9, 9, _, _, _]

Show answer

Answer: Row2[2]=53, Row5[3]=4, Row5[4]=8, Row4[2]=13, Row5[5]=8, Row1[1]=109, Row4[1]=18, Row3[1]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [56,53]
  • [31,25,28]
  • [18,13,12,16]
  • [9,9,4,8,8]
Base
  • 9
  • 9
  • 4
  • 8
  • 8
TopValue
109
HiddenCells
  • {"r":1,"c":1,"v":53}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":4,"v":8}
  • {"r":0,"c":0,"v":109}
  • {"r":3,"c":0,"v":18}
  • {"r":2,"c":0,"v":31}