hard Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [27, 16, _] → [_, 11, 5, 6] → [_, 7, _, _, 5]

Show answer

Answer: Row3[3]=11, Row2[1]=43, Row2[2]=27, Row1[1]=70, Row4[1]=16, Row5[4]=1, Row5[1]=9, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [43,27]
  • [27,16,11]
  • [16,11,5,6]
  • [9,7,4,1,5]
Base
  • 9
  • 7
  • 4
  • 1
  • 5
TopValue
70
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":0,"v":43}
  • {"r":1,"c":1,"v":27}
  • {"r":0,"c":0,"v":70}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [44, _] → [_, _, _] → [16, 10, 8, 13] → [_, _, 2, 6, _]

Show answer

Answer: Row5[1]=8, Row5[5]=7, Row2[2]=39, Row3[2]=18, Row5[2]=8, Row3[3]=21, Row3[1]=26, Row1[1]=83

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [44,39]
  • [26,18,21]
  • [16,10,8,13]
  • [8,8,2,6,7]
Base
  • 8
  • 8
  • 2
  • 6
  • 7
TopValue
83
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":1,"v":39}
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":2,"v":21}
  • {"r":2,"c":0,"v":26}
  • {"r":0,"c":0,"v":83}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [106] → [55, _] → [27, _, _] → [11, _, _, 11] → [5, _, _, 2, _]

Show answer

Answer: Row4[2]=16, Row3[3]=23, Row5[2]=6, Row3[2]=28, Row4[3]=12, Row5[5]=9, Row2[2]=51, Row5[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [55,51]
  • [27,28,23]
  • [11,16,12,11]
  • [5,6,10,2,9]
Base
  • 5
  • 6
  • 10
  • 2
  • 9
TopValue
106
HiddenCells
  • {"r":3,"c":1,"v":16}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":1,"v":28}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":4,"v":9}
  • {"r":1,"c":1,"v":51}
  • {"r":4,"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): [55] → [23, _] → [_, 14, _] → [2, 7, _, _] → [_, 1, 6, _, _]

Show answer

Answer: Row4[3]=7, Row4[4]=11, Row2[2]=32, Row5[1]=1, Row5[5]=10, Row3[1]=9, Row5[4]=1, Row3[3]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [23,32]
  • [9,14,18]
  • [2,7,7,11]
  • [1,1,6,1,10]
Base
  • 1
  • 1
  • 6
  • 1
  • 10
TopValue
55
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":3,"v":11}
  • {"r":1,"c":1,"v":32}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":0,"v":9}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":18}