hard Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [_, _, 17] → [_, 8, 6, _] → [_, 4, 4, 2, _]

Show answer

Answer: Row3[1]=13, Row5[1]=1, Row2[2]=31, Row5[5]=9, Row4[1]=5, Row3[2]=14, Row1[1]=58, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [27,31]
  • [13,14,17]
  • [5,8,6,11]
  • [1,4,4,2,9]
Base
  • 1
  • 4
  • 4
  • 2
  • 9
TopValue
58
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":0,"v":1}
  • {"r":1,"c":1,"v":31}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":1,"v":14}
  • {"r":0,"c":0,"v":58}
  • {"r":3,"c":3,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [75] → [_, _] → [15, _, _] → [_, 8, 11, _] → [6, _, 7, 4, _]

Show answer

Answer: Row4[1]=7, Row4[4]=11, Row5[5]=7, Row3[2]=19, Row2[2]=41, Row3[3]=22, Row5[2]=1, Row2[1]=34

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [34,41]
  • [15,19,22]
  • [7,8,11,11]
  • [6,1,7,4,7]
Base
  • 6
  • 1
  • 7
  • 4
  • 7
TopValue
75
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":1,"v":19}
  • {"r":1,"c":1,"v":41}
  • {"r":2,"c":2,"v":22}
  • {"r":4,"c":1,"v":1}
  • {"r":1,"c":0,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [30, _, _] → [17, _, _, _] → [8, 9, 4, 6, 9]

Show answer

Answer: Row4[2]=13, Row1[1]=101, Row3[3]=25, Row4[3]=10, Row4[4]=15, Row3[2]=23, Row2[2]=48, Row2[1]=53

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [53,48]
  • [30,23,25]
  • [17,13,10,15]
  • [8,9,4,6,9]
Base
  • 8
  • 9
  • 4
  • 6
  • 9
TopValue
101
HiddenCells
  • {"r":3,"c":1,"v":13}
  • {"r":0,"c":0,"v":101}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":3,"v":15}
  • {"r":2,"c":1,"v":23}
  • {"r":1,"c":1,"v":48}
  • {"r":1,"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): [_] → [_, _] → [22, _, 12] → [_, 11, 6, _] → [_, 8, 3, _, 3]

Show answer

Answer: Row5[4]=3, Row4[1]=11, Row2[2]=29, Row5[1]=3, Row2[1]=39, Row3[2]=17, Row1[1]=68, Row4[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [39,29]
  • [22,17,12]
  • [11,11,6,6]
  • [3,8,3,3,3]
Base
  • 3
  • 8
  • 3
  • 3
  • 3
TopValue
68
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":1,"v":29}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":39}
  • {"r":2,"c":1,"v":17}
  • {"r":0,"c":0,"v":68}
  • {"r":3,"c":3,"v":6}