hard Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [_, 42] → [_, 21, _] → [_, 10, _, _] → [_, 1, 9, _, 8]

Show answer

Answer: Row5[4]=2, Row2[1]=35, Row4[4]=10, Row3[1]=14, Row5[1]=3, Row4[1]=4, Row3[3]=21, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [35,42]
  • [14,21,21]
  • [4,10,11,10]
  • [3,1,9,2,8]
Base
  • 3
  • 1
  • 9
  • 2
  • 8
TopValue
77
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":0,"v":35}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":0,"v":14}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, _] → [29, 17, _] → [_, 11, 6, _] → [_, 8, _, 3, _]

Show answer

Answer: Row5[5]=8, Row4[1]=18, Row2[2]=34, Row5[3]=3, Row5[1]=10, Row2[1]=46, Row4[4]=11, Row3[3]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [46,34]
  • [29,17,17]
  • [18,11,6,11]
  • [10,8,3,3,8]
Base
  • 10
  • 8
  • 3
  • 3
  • 8
TopValue
80
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":0,"v":18}
  • {"r":1,"c":1,"v":34}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":0,"v":46}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":2,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 41] → [15, _, _] → [9, 6, _, _] → [7, 2, _, _, 3]

Show answer

Answer: Row4[3]=12, Row5[4]=8, Row3[3]=23, Row2[1]=33, Row5[3]=4, Row3[2]=18, Row4[4]=11, Row1[1]=74

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [33,41]
  • [15,18,23]
  • [9,6,12,11]
  • [7,2,4,8,3]
Base
  • 7
  • 2
  • 4
  • 8
  • 3
TopValue
74
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":3,"v":8}
  • {"r":2,"c":2,"v":23}
  • {"r":1,"c":0,"v":33}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":3,"v":11}
  • {"r":0,"c":0,"v":74}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 14] → [_, 6, 8] → [9, 3, _, _] → [_, 2, _, _, _]

Show answer

Answer: Row3[1]=12, Row5[3]=1, Row5[1]=7, Row4[4]=5, Row5[4]=2, Row1[1]=32, Row5[5]=3, Row4[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [32]
  • [18,14]
  • [12,6,8]
  • [9,3,3,5]
  • [7,2,1,2,3]
Base
  • 7
  • 2
  • 1
  • 2
  • 3
TopValue
32
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":3,"v":2}
  • {"r":0,"c":0,"v":32}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":2,"v":3}