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): [_] → [_, _] → [36, 29, 24] → [19, 17, _, _] → [_, 10, 7, _, _]

Show answer

Answer: Row5[1]=9, Row5[5]=7, Row5[4]=5, Row1[1]=118, Row4[4]=12, Row2[1]=65, Row4[3]=12, Row2[2]=53

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [65,53]
  • [36,29,24]
  • [19,17,12,12]
  • [9,10,7,5,7]
Base
  • 9
  • 10
  • 7
  • 5
  • 7
TopValue
118
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":3,"v":5}
  • {"r":0,"c":0,"v":118}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":0,"v":65}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":1,"v":53}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [91] → [44, 47] → [_, _, _] → [16, _, _, 18] → [_, _, 1, _, 9]

Show answer

Answer: Row3[1]=25, Row5[4]=9, Row5[1]=8, Row5[2]=8, Row3[2]=19, Row4[2]=9, Row3[3]=28, Row4[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [44,47]
  • [25,19,28]
  • [16,9,10,18]
  • [8,8,1,9,9]
Base
  • 8
  • 8
  • 1
  • 9
  • 9
TopValue
91
HiddenCells
  • {"r":2,"c":0,"v":25}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [135] → [68, _] → [34, _, 33] → [17, _, _, 16] → [_, _, _, _, 8]

Show answer

Answer: Row2[2]=67, Row3[2]=34, Row5[4]=8, Row5[3]=9, Row5[2]=8, Row4[3]=17, Row4[2]=17, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [135]
  • [68,67]
  • [34,34,33]
  • [17,17,17,16]
  • [9,8,9,8,8]
Base
  • 9
  • 8
  • 9
  • 8
  • 8
TopValue
135
HiddenCells
  • {"r":1,"c":1,"v":67}
  • {"r":2,"c":1,"v":34}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":2,"v":17}
  • {"r":3,"c":1,"v":17}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [24, _, 13] → [12, 12, 10, 3] → [_, _, 9, _, _]

Show answer

Answer: Row5[4]=1, Row5[1]=9, Row5[5]=2, Row2[1]=46, Row5[2]=3, Row1[1]=81, Row2[2]=35, Row3[2]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [46,35]
  • [24,22,13]
  • [12,12,10,3]
  • [9,3,9,1,2]
Base
  • 9
  • 3
  • 9
  • 1
  • 2
TopValue
81
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":4,"v":2}
  • {"r":1,"c":0,"v":46}
  • {"r":4,"c":1,"v":3}
  • {"r":0,"c":0,"v":81}
  • {"r":1,"c":1,"v":35}
  • {"r":2,"c":1,"v":22}