hard Set 32 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, _] → [_, _, _] → [3, _, 13, 12] → [1, 2, 5, _, _]

Show answer

Answer: Row2[2]=45, Row5[4]=8, Row4[2]=7, Row3[1]=10, Row3[3]=25, Row5[5]=4, Row3[2]=20, Row1[1]=75

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [30,45]
  • [10,20,25]
  • [3,7,13,12]
  • [1,2,5,8,4]
Base
  • 1
  • 2
  • 5
  • 8
  • 4
TopValue
75
HiddenCells
  • {"r":1,"c":1,"v":45}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":1,"v":20}
  • {"r":0,"c":0,"v":75}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [50, _] → [_, _, _] → [_, 13, 12, _] → [2, 10, _, 9, 8]

Show answer

Answer: Row3[1]=25, Row3[3]=29, Row2[2]=54, Row3[2]=25, Row4[1]=12, Row5[3]=3, Row4[4]=17, Row1[1]=104

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [50,54]
  • [25,25,29]
  • [12,13,12,17]
  • [2,10,3,9,8]
Base
  • 2
  • 10
  • 3
  • 9
  • 8
TopValue
104
HiddenCells
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":2,"v":29}
  • {"r":1,"c":1,"v":54}
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":3,"v":17}
  • {"r":0,"c":0,"v":104}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [68] → [_, 37] → [_, 20, 17] → [_, _, _, 6] → [_, _, 8, _, 3]

Show answer

Answer: Row5[1]=1, Row4[2]=9, Row3[1]=11, Row2[1]=31, Row4[3]=11, Row5[4]=3, Row4[1]=2, Row5[2]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [31,37]
  • [11,20,17]
  • [2,9,11,6]
  • [1,1,8,3,3]
Base
  • 1
  • 1
  • 8
  • 3
  • 3
TopValue
68
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":11}
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":0,"v":2}
  • {"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): [_] → [_, _] → [15, _, 24] → [9, _, _, _] → [6, 3, _, 7, 7]

Show answer

Answer: Row4[3]=10, Row4[2]=6, Row2[1]=31, Row5[3]=3, Row4[4]=14, Row2[2]=40, Row1[1]=71, Row3[2]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [31,40]
  • [15,16,24]
  • [9,6,10,14]
  • [6,3,3,7,7]
Base
  • 6
  • 3
  • 3
  • 7
  • 7
TopValue
71
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":0,"v":31}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":1,"v":40}
  • {"r":0,"c":0,"v":71}
  • {"r":2,"c":1,"v":16}