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): [62] → [30, _] → [16, _, _] → [9, _, _, _] → [_, _, 2, 5, 6]

Show answer

Answer: Row4[2]=7, Row4[3]=7, Row2[2]=32, Row3[2]=14, Row3[3]=18, Row4[4]=11, Row5[2]=5, Row5[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [30,32]
  • [16,14,18]
  • [9,7,7,11]
  • [4,5,2,5,6]
Base
  • 4
  • 5
  • 2
  • 5
  • 6
TopValue
62
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":1,"v":32}
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, 34] → [_, _, _] → [16, _, _, _] → [_, 6, 5, 3, 4]

Show answer

Answer: Row5[1]=10, Row1[1]=80, Row3[2]=19, Row4[2]=11, Row3[3]=15, Row4[4]=7, Row3[1]=27, Row4[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [46,34]
  • [27,19,15]
  • [16,11,8,7]
  • [10,6,5,3,4]
Base
  • 10
  • 6
  • 5
  • 3
  • 4
TopValue
80
HiddenCells
  • {"r":4,"c":0,"v":10}
  • {"r":0,"c":0,"v":80}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [28, 25] → [16, _, 13] → [_, _, _, 6] → [_, _, _, 3, _]

Show answer

Answer: Row5[5]=3, Row4[2]=5, Row4[3]=7, Row5[3]=4, Row4[1]=11, Row5[2]=1, Row3[2]=12, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [28,25]
  • [16,12,13]
  • [11,5,7,6]
  • [10,1,4,3,3]
Base
  • 10
  • 1
  • 4
  • 3
  • 3
TopValue
53
HiddenCells
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":1,"v":12}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [46, _] → [_, 21, 17] → [_, _, _, 7] → [_, 5, 6, _, _]

Show answer

Answer: Row5[4]=4, Row2[2]=38, Row4[3]=10, Row4[1]=14, Row3[1]=25, Row5[5]=3, Row4[2]=11, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [46,38]
  • [25,21,17]
  • [14,11,10,7]
  • [9,5,6,4,3]
Base
  • 9
  • 5
  • 6
  • 4
  • 3
TopValue
84
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":1,"c":1,"v":38}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":0,"v":25}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":0,"v":9}