hard Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 24, 26] → [_, _, 15, _] → [6, 2, _, 8, 3]

Show answer

Answer: Row3[1]=17, Row2[2]=50, Row4[4]=11, Row1[1]=91, Row2[1]=41, Row5[3]=7, Row4[1]=8, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [41,50]
  • [17,24,26]
  • [8,9,15,11]
  • [6,2,7,8,3]
Base
  • 6
  • 2
  • 7
  • 8
  • 3
TopValue
91
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":1,"c":1,"v":50}
  • {"r":3,"c":3,"v":11}
  • {"r":0,"c":0,"v":91}
  • {"r":1,"c":0,"v":41}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":0,"v":8}
  • {"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): [_] → [_, _] → [23, 20, _] → [_, _, 7, _] → [_, 7, 6, 1, 4]

Show answer

Answer: Row4[1]=10, Row4[2]=13, Row4[4]=5, Row1[1]=75, Row2[2]=32, Row3[3]=12, Row2[1]=43, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [43,32]
  • [23,20,12]
  • [10,13,7,5]
  • [3,7,6,1,4]
Base
  • 3
  • 7
  • 6
  • 1
  • 4
TopValue
75
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":75}
  • {"r":1,"c":1,"v":32}
  • {"r":2,"c":2,"v":12}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [123] → [51, _] → [_, _, 40] → [7, _, _, _] → [5, 2, 10, _, _]

Show answer

Answer: Row4[3]=20, Row3[1]=19, Row4[2]=12, Row5[5]=10, Row4[4]=20, Row5[4]=10, Row3[2]=32, Row2[2]=72

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [51,72]
  • [19,32,40]
  • [7,12,20,20]
  • [5,2,10,10,10]
Base
  • 5
  • 2
  • 10
  • 10
  • 10
TopValue
123
HiddenCells
  • {"r":3,"c":2,"v":20}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":3,"v":20}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":1,"v":32}
  • {"r":1,"c":1,"v":72}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, 42] → [22, _, _] → [_, _, _, 11] → [8, 5, _, _, 4]

Show answer

Answer: Row1[1]=84, Row3[2]=20, Row4[2]=9, Row5[3]=4, Row5[4]=7, Row4[1]=13, Row4[3]=11, Row3[3]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [42,42]
  • [22,20,22]
  • [13,9,11,11]
  • [8,5,4,7,4]
Base
  • 8
  • 5
  • 4
  • 7
  • 4
TopValue
84
HiddenCells
  • {"r":0,"c":0,"v":84}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":2,"v":22}