hard Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [_, _] → [_, 20, _] → [13, _, 8, _] → [_, 6, _, 2, 10]

Show answer

Answer: Row5[3]=6, Row5[1]=7, Row2[2]=40, Row3[3]=20, Row3[1]=25, Row4[2]=12, Row2[1]=45, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [45,40]
  • [25,20,20]
  • [13,12,8,12]
  • [7,6,6,2,10]
Base
  • 7
  • 6
  • 6
  • 2
  • 10
TopValue
85
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":0,"v":7}
  • {"r":1,"c":1,"v":40}
  • {"r":2,"c":2,"v":20}
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":1,"v":12}
  • {"r":1,"c":0,"v":45}
  • {"r":3,"c":3,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, _] → [_, _, _] → [7, _, 6, _] → [4, _, 4, 2, 5]

Show answer

Answer: Row3[3]=13, Row4[2]=7, Row3[1]=14, Row3[2]=13, Row2[1]=27, Row2[2]=26, Row4[4]=7, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [27,26]
  • [14,13,13]
  • [7,7,6,7]
  • [4,3,4,2,5]
Base
  • 4
  • 3
  • 4
  • 2
  • 5
TopValue
53
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":1,"v":13}
  • {"r":1,"c":0,"v":27}
  • {"r":1,"c":1,"v":26}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [_, 10, 14] → [_, 4, _, 8] → [_, _, 3, _, 5]

Show answer

Answer: Row4[3]=6, Row1[1]=46, Row5[2]=1, Row3[1]=12, Row5[1]=7, Row4[1]=8, Row2[2]=24, Row5[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [46]
  • [22,24]
  • [12,10,14]
  • [8,4,6,8]
  • [7,1,3,3,5]
Base
  • 7
  • 1
  • 3
  • 3
  • 5
TopValue
46
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":0,"c":0,"v":46}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":0,"v":12}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":24}
  • {"r":4,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [_, _] → [9, _, 28] → [5, 4, 10, _] → [_, _, 1, _, _]

Show answer

Answer: Row5[5]=9, Row5[1]=2, Row2[1]=23, Row3[2]=14, Row5[2]=3, Row2[2]=42, Row4[4]=18, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [23,42]
  • [9,14,28]
  • [5,4,10,18]
  • [2,3,1,9,9]
Base
  • 2
  • 3
  • 1
  • 9
  • 9
TopValue
65
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":0,"v":2}
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":1,"v":14}
  • {"r":4,"c":1,"v":3}
  • {"r":1,"c":1,"v":42}
  • {"r":3,"c":3,"v":18}
  • {"r":4,"c":3,"v":9}