hard Set 48 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [137] → [_, _] → [39, _, 28] → [19, _, 15, _] → [_, _, 10, _, 8]

Show answer

Answer: Row2[1]=74, Row4[4]=13, Row5[4]=5, Row4[2]=20, Row5[2]=10, Row2[2]=63, Row3[2]=35, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [137]
  • [74,63]
  • [39,35,28]
  • [19,20,15,13]
  • [9,10,10,5,8]
Base
  • 9
  • 10
  • 10
  • 5
  • 8
TopValue
137
HiddenCells
  • {"r":1,"c":0,"v":74}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":1,"v":20}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":1,"v":63}
  • {"r":2,"c":1,"v":35}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 64] → [27, 29, _] → [_, 13, 16, _] → [_, 7, 6, _, _]

Show answer

Answer: Row5[5]=9, Row2[1]=56, Row5[1]=7, Row4[1]=14, Row3[3]=35, Row5[4]=10, Row1[1]=120, Row4[4]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [120]
  • [56,64]
  • [27,29,35]
  • [14,13,16,19]
  • [7,7,6,10,9]
Base
  • 7
  • 7
  • 6
  • 10
  • 9
TopValue
120
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":1,"c":0,"v":56}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":2,"v":35}
  • {"r":4,"c":3,"v":10}
  • {"r":0,"c":0,"v":120}
  • {"r":3,"c":3,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [_, _] → [16, _, _] → [8, 8, _, _] → [_, 6, 2, _, 6]

Show answer

Answer: Row3[3]=14, Row3[2]=13, Row4[4]=9, Row5[4]=3, Row2[2]=27, Row4[3]=5, Row5[1]=2, Row2[1]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [56]
  • [29,27]
  • [16,13,14]
  • [8,8,5,9]
  • [2,6,2,3,6]
Base
  • 2
  • 6
  • 2
  • 3
  • 6
TopValue
56
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":0,"v":2}
  • {"r":1,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [68] → [33, _] → [_, 16, 19] → [9, _, _, 11] → [_, _, _, 7, _]

Show answer

Answer: Row5[2]=7, Row3[1]=17, Row5[5]=4, Row5[1]=2, Row5[3]=1, Row4[2]=8, Row2[2]=35, Row4[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [33,35]
  • [17,16,19]
  • [9,8,8,11]
  • [2,7,1,7,4]
Base
  • 2
  • 7
  • 1
  • 7
  • 4
TopValue
68
HiddenCells
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":35}
  • {"r":3,"c":2,"v":8}