hard Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 30] → [21, 17, _] → [11, _, _, _] → [6, _, 5, _, 4]

Show answer

Answer: Row5[4]=2, Row4[4]=6, Row1[1]=68, Row3[3]=13, Row2[1]=38, Row4[3]=7, Row5[2]=5, Row4[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [38,30]
  • [21,17,13]
  • [11,10,7,6]
  • [6,5,5,2,4]
Base
  • 6
  • 5
  • 5
  • 2
  • 4
TopValue
68
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":3,"v":6}
  • {"r":0,"c":0,"v":68}
  • {"r":2,"c":2,"v":13}
  • {"r":1,"c":0,"v":38}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":1,"v":5}
  • {"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): [_] → [_, _] → [30, _, 30] → [13, 17, _, _] → [_, _, 10, 8, 4]

Show answer

Answer: Row3[2]=35, Row4[3]=18, Row4[4]=12, Row5[1]=6, Row2[1]=65, Row2[2]=65, Row5[2]=7, Row1[1]=130

SubType
number-pyramid
Difficulty
hard
Levels
  • [130]
  • [65,65]
  • [30,35,30]
  • [13,17,18,12]
  • [6,7,10,8,4]
Base
  • 6
  • 7
  • 10
  • 8
  • 4
TopValue
130
HiddenCells
  • {"r":2,"c":1,"v":35}
  • {"r":3,"c":2,"v":18}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":0,"v":6}
  • {"r":1,"c":0,"v":65}
  • {"r":1,"c":1,"v":65}
  • {"r":4,"c":1,"v":7}
  • {"r":0,"c":0,"v":130}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [18, 19] → [_, 10, _] → [_, _, _, _] → [2, _, 4, 1, _]

Show answer

Answer: Row4[1]=3, Row3[1]=8, Row3[3]=9, Row5[5]=3, Row4[4]=4, Row4[2]=5, Row4[3]=5, Row5[2]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [37]
  • [18,19]
  • [8,10,9]
  • [3,5,5,4]
  • [2,1,4,1,3]
Base
  • 2
  • 1
  • 4
  • 1
  • 3
TopValue
37
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":2,"v":9}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 38] → [25, _, 18] → [_, _, _, _] → [_, 6, 5, 4, 5]

Show answer

Answer: Row4[2]=11, Row4[1]=14, Row4[4]=9, Row1[1]=83, Row4[3]=9, Row3[2]=20, Row2[1]=45, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [45,38]
  • [25,20,18]
  • [14,11,9,9]
  • [8,6,5,4,5]
Base
  • 8
  • 6
  • 5
  • 4
  • 5
TopValue
83
HiddenCells
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":0,"v":14}
  • {"r":3,"c":3,"v":9}
  • {"r":0,"c":0,"v":83}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":1,"v":20}
  • {"r":1,"c":0,"v":45}
  • {"r":4,"c":0,"v":8}