hard Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [_, 28] → [19, 17, 11] → [_, _, 7, _] → [_, 4, _, _, _]

Show answer

Answer: Row2[1]=36, Row5[4]=1, Row5[5]=3, Row5[1]=5, Row4[1]=9, Row5[3]=6, Row4[4]=4, Row4[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [36,28]
  • [19,17,11]
  • [9,10,7,4]
  • [5,4,6,1,3]
Base
  • 5
  • 4
  • 6
  • 1
  • 3
TopValue
64
HiddenCells
  • {"r":1,"c":0,"v":36}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"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): [_] → [_, _] → [_, 35, _] → [_, 18, 17, 13] → [8, _, 9, 8, _]

Show answer

Answer: Row1[1]=135, Row3[1]=35, Row5[2]=9, Row2[1]=70, Row4[1]=17, Row5[5]=5, Row2[2]=65, Row3[3]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [135]
  • [70,65]
  • [35,35,30]
  • [17,18,17,13]
  • [8,9,9,8,5]
Base
  • 8
  • 9
  • 9
  • 8
  • 5
TopValue
135
HiddenCells
  • {"r":0,"c":0,"v":135}
  • {"r":2,"c":0,"v":35}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":0,"v":70}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":1,"v":65}
  • {"r":2,"c":2,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [121] → [65, _] → [_, 30, _] → [_, _, _, 13] → [8, 10, _, _, 7]

Show answer

Answer: Row2[2]=56, Row4[3]=13, Row5[4]=6, Row3[3]=26, Row5[3]=7, Row4[2]=17, Row4[1]=18, Row3[1]=35

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [65,56]
  • [35,30,26]
  • [18,17,13,13]
  • [8,10,7,6,7]
Base
  • 8
  • 10
  • 7
  • 6
  • 7
TopValue
121
HiddenCells
  • {"r":1,"c":1,"v":56}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":1,"v":17}
  • {"r":3,"c":0,"v":18}
  • {"r":2,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [56, _] → [_, 32, _] → [9, _, 17, 19] → [1, _, 7, _, _]

Show answer

Answer: Row1[1]=124, Row5[4]=10, Row3[1]=24, Row5[2]=8, Row4[2]=15, Row2[2]=68, Row5[5]=9, Row3[3]=36

SubType
number-pyramid
Difficulty
hard
Levels
  • [124]
  • [56,68]
  • [24,32,36]
  • [9,15,17,19]
  • [1,8,7,10,9]
Base
  • 1
  • 8
  • 7
  • 10
  • 9
TopValue
124
HiddenCells
  • {"r":0,"c":0,"v":124}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":0,"v":24}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":1,"v":15}
  • {"r":1,"c":1,"v":68}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":2,"v":36}