hard Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [116] → [_, 54] → [_, 29, _] → [17, _, 13, _] → [_, 7, _, _, 8]

Show answer

Answer: Row3[3]=25, Row4[2]=16, Row4[4]=12, Row5[1]=10, Row3[1]=33, Row5[4]=4, Row5[3]=9, Row2[1]=62

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [62,54]
  • [33,29,25]
  • [17,16,13,12]
  • [10,7,9,4,8]
Base
  • 10
  • 7
  • 9
  • 4
  • 8
TopValue
116
HiddenCells
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":1,"v":16}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":0,"v":33}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":0,"v":62}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, 38] → [_, 21, 17] → [_, 11, 10, _] → [_, _, _, 3, _]

Show answer

Answer: Row5[5]=4, Row5[3]=7, Row1[1]=81, Row5[1]=7, Row4[4]=7, Row3[1]=22, Row4[1]=11, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [43,38]
  • [22,21,17]
  • [11,11,10,7]
  • [7,4,7,3,4]
Base
  • 7
  • 4
  • 7
  • 3
  • 4
TopValue
81
HiddenCells
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":2,"v":7}
  • {"r":0,"c":0,"v":81}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":22}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [126] → [_, _] → [20, _, _] → [_, 13, 20, 20] → [_, 3, _, 10, _]

Show answer

Answer: Row5[1]=4, Row2[2]=73, Row5[5]=10, Row3[3]=40, Row3[2]=33, Row2[1]=53, Row5[3]=10, Row4[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [126]
  • [53,73]
  • [20,33,40]
  • [7,13,20,20]
  • [4,3,10,10,10]
Base
  • 4
  • 3
  • 10
  • 10
  • 10
TopValue
126
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":1,"c":1,"v":73}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":2,"v":40}
  • {"r":2,"c":1,"v":33}
  • {"r":1,"c":0,"v":53}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [16, 16, 13] → [_, _, 6, _] → [1, _, _, 1, 6]

Show answer

Answer: Row4[2]=10, Row2[1]=32, Row2[2]=29, Row5[2]=5, Row4[4]=7, Row4[1]=6, Row5[3]=5, Row1[1]=61

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [32,29]
  • [16,16,13]
  • [6,10,6,7]
  • [1,5,5,1,6]
Base
  • 1
  • 5
  • 5
  • 1
  • 6
TopValue
61
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":0,"v":32}
  • {"r":1,"c":1,"v":29}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":2,"v":5}
  • {"r":0,"c":0,"v":61}