hard Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, _] → [12, _, 17] → [8, _, _, _] → [_, _, 3, 5, 4]

Show answer

Answer: Row5[1]=7, Row4[4]=9, Row5[2]=1, Row4[3]=8, Row3[2]=12, Row4[2]=4, Row2[2]=29, Row1[1]=53

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [24,29]
  • [12,12,17]
  • [8,4,8,9]
  • [7,1,3,5,4]
Base
  • 7
  • 1
  • 3
  • 5
  • 4
TopValue
53
HiddenCells
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":1,"v":29}
  • {"r":0,"c":0,"v":53}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [10, _, _] → [4, 6, 6, _] → [3, 1, 5, _, _]

Show answer

Answer: Row5[5]=4, Row5[4]=1, Row4[4]=5, Row2[1]=22, Row3[2]=12, Row3[3]=11, Row2[2]=23, Row1[1]=45

SubType
number-pyramid
Difficulty
hard
Levels
  • [45]
  • [22,23]
  • [10,12,11]
  • [4,6,6,5]
  • [3,1,5,1,4]
Base
  • 3
  • 1
  • 5
  • 1
  • 4
TopValue
45
HiddenCells
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":0,"v":22}
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":1,"v":23}
  • {"r":0,"c":0,"v":45}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [39, _] → [_, _, _] → [17, _, _, 9] → [_, _, 1, 1, 8]

Show answer

Answer: Row3[2]=12, Row3[3]=11, Row4[2]=10, Row3[1]=27, Row5[1]=8, Row4[3]=2, Row2[2]=23, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [39,23]
  • [27,12,11]
  • [17,10,2,9]
  • [8,9,1,1,8]
Base
  • 8
  • 9
  • 1
  • 1
  • 8
TopValue
62
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":0,"v":27}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":1,"v":23}
  • {"r":4,"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): [_] → [_, 31] → [_, 14, _] → [4, 7, 7, 10] → [_, _, _, _, 9]

Show answer

Answer: Row5[4]=1, Row5[3]=6, Row3[3]=17, Row5[2]=1, Row1[1]=56, Row5[1]=3, Row2[1]=25, Row3[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [56]
  • [25,31]
  • [11,14,17]
  • [4,7,7,10]
  • [3,1,6,1,9]
Base
  • 3
  • 1
  • 6
  • 1
  • 9
TopValue
56
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":1,"v":1}
  • {"r":0,"c":0,"v":56}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":25}
  • {"r":2,"c":0,"v":11}