hard Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [97] → [_, 54] → [_, 26, 28] → [6, _, _, _] → [1, _, 6, _, _]

Show answer

Answer: Row2[1]=43, Row3[1]=17, Row4[4]=13, Row5[2]=5, Row4[2]=11, Row5[5]=4, Row5[4]=9, Row4[3]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [43,54]
  • [17,26,28]
  • [6,11,15,13]
  • [1,5,6,9,4]
Base
  • 1
  • 5
  • 6
  • 9
  • 4
TopValue
97
HiddenCells
  • {"r":1,"c":0,"v":43}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":2,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [_, 47] → [_, _, _] → [11, 11, _, _] → [6, 5, 6, _, _]

Show answer

Answer: Row4[4]=12, Row2[1]=45, Row5[4]=6, Row4[3]=12, Row3[1]=22, Row3[2]=23, Row3[3]=24, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [45,47]
  • [22,23,24]
  • [11,11,12,12]
  • [6,5,6,6,6]
Base
  • 6
  • 5
  • 6
  • 6
  • 6
TopValue
92
HiddenCells
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":0,"v":45}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":0,"v":22}
  • {"r":2,"c":1,"v":23}
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, 43] → [20, _, 23] → [_, _, _, _] → [_, 3, 6, _, 7]

Show answer

Answer: Row4[3]=11, Row4[4]=12, Row5[1]=8, Row5[4]=5, Row1[1]=83, Row3[2]=20, Row4[1]=11, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [40,43]
  • [20,20,23]
  • [11,9,11,12]
  • [8,3,6,5,7]
Base
  • 8
  • 3
  • 6
  • 5
  • 7
TopValue
83
HiddenCells
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":3,"v":5}
  • {"r":0,"c":0,"v":83}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 14] → [14, _, 8, _] → [9, 5, 7, _, 5]

Show answer

Answer: Row2[1]=46, Row3[2]=20, Row4[4]=6, Row1[1]=80, Row3[1]=26, Row5[4]=1, Row4[2]=12, Row2[2]=34

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [46,34]
  • [26,20,14]
  • [14,12,8,6]
  • [9,5,7,1,5]
Base
  • 9
  • 5
  • 7
  • 1
  • 5
TopValue
80
HiddenCells
  • {"r":1,"c":0,"v":46}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":3,"v":6}
  • {"r":0,"c":0,"v":80}
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":1,"v":12}
  • {"r":1,"c":1,"v":34}