hard Set 63 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, 31] → [_, _, _] → [_, 9, 5, _] → [10, _, _, 2, 10]

Show answer

Answer: Row3[1]=25, Row3[2]=14, Row4[1]=16, Row3[3]=17, Row4[4]=12, Row5[2]=6, Row1[1]=70, Row5[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [39,31]
  • [25,14,17]
  • [16,9,5,12]
  • [10,6,3,2,10]
Base
  • 10
  • 6
  • 3
  • 2
  • 10
TopValue
70
HiddenCells
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":0,"v":16}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":1,"v":6}
  • {"r":0,"c":0,"v":70}
  • {"r":4,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [23, 23, _] → [11, 12, _, _] → [3, 8, 4, _, _]

Show answer

Answer: Row5[4]=7, Row3[3]=21, Row1[1]=90, Row4[4]=10, Row2[1]=46, Row4[3]=11, Row5[5]=3, Row2[2]=44

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [46,44]
  • [23,23,21]
  • [11,12,11,10]
  • [3,8,4,7,3]
Base
  • 3
  • 8
  • 4
  • 7
  • 3
TopValue
90
HiddenCells
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":2,"v":21}
  • {"r":0,"c":0,"v":90}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":0,"v":46}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":4,"v":3}
  • {"r":1,"c":1,"v":44}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [67, _] → [34, _, _] → [_, 18, 15, _] → [6, _, _, 7, 8]

Show answer

Answer: Row1[1]=130, Row3[2]=33, Row4[1]=16, Row5[2]=10, Row3[3]=30, Row5[3]=8, Row2[2]=63, Row4[4]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [130]
  • [67,63]
  • [34,33,30]
  • [16,18,15,15]
  • [6,10,8,7,8]
Base
  • 6
  • 10
  • 8
  • 7
  • 8
TopValue
130
HiddenCells
  • {"r":0,"c":0,"v":130}
  • {"r":2,"c":1,"v":33}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":2,"v":30}
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":1,"v":63}
  • {"r":3,"c":3,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 18, 10] → [13, _, 6, 4] → [_, 7, _, 1, _]

Show answer

Answer: Row3[1]=25, Row2[2]=28, Row4[2]=12, Row5[1]=6, Row5[3]=5, Row2[1]=43, Row1[1]=71, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [43,28]
  • [25,18,10]
  • [13,12,6,4]
  • [6,7,5,1,3]
Base
  • 6
  • 7
  • 5
  • 1
  • 3
TopValue
71
HiddenCells
  • {"r":2,"c":0,"v":25}
  • {"r":1,"c":1,"v":28}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":2,"v":5}
  • {"r":1,"c":0,"v":43}
  • {"r":0,"c":0,"v":71}
  • {"r":4,"c":4,"v":3}