hard Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 25] → [11, _, 14, 11] → [9, _, 8, _, 5]

Show answer

Answer: Row3[1]=21, Row2[1]=45, Row1[1]=94, Row3[2]=24, Row5[2]=2, Row5[4]=6, Row4[2]=10, Row2[2]=49

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [45,49]
  • [21,24,25]
  • [11,10,14,11]
  • [9,2,8,6,5]
Base
  • 9
  • 2
  • 8
  • 6
  • 5
TopValue
94
HiddenCells
  • {"r":2,"c":0,"v":21}
  • {"r":1,"c":0,"v":45}
  • {"r":0,"c":0,"v":94}
  • {"r":2,"c":1,"v":24}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":1,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [82] → [_, _] → [26, 20, 16] → [_, _, _, 8] → [_, _, 7, 1, _]

Show answer

Answer: Row4[1]=14, Row2[2]=36, Row4[3]=8, Row2[1]=46, Row5[5]=7, Row5[1]=9, Row4[2]=12, Row5[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [46,36]
  • [26,20,16]
  • [14,12,8,8]
  • [9,5,7,1,7]
Base
  • 9
  • 5
  • 7
  • 1
  • 7
TopValue
82
HiddenCells
  • {"r":3,"c":0,"v":14}
  • {"r":1,"c":1,"v":36}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":0,"v":46}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, _] → [_, 28, _] → [10, 17, _, 9] → [_, _, _, 3, 6]

Show answer

Answer: Row1[1]=103, Row5[3]=8, Row3[3]=20, Row4[3]=11, Row5[2]=9, Row3[1]=27, Row2[2]=48, Row5[1]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [55,48]
  • [27,28,20]
  • [10,17,11,9]
  • [1,9,8,3,6]
Base
  • 1
  • 9
  • 8
  • 3
  • 6
TopValue
103
HiddenCells
  • {"r":0,"c":0,"v":103}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":2,"v":20}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":0,"v":27}
  • {"r":1,"c":1,"v":48}
  • {"r":4,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [119] → [_, 65] → [_, _, 34] → [9, 14, _, _] → [4, _, 9, _, _]

Show answer

Answer: Row2[1]=54, Row5[5]=9, Row4[4]=17, Row3[2]=31, Row4[3]=17, Row5[2]=5, Row3[1]=23, Row5[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [54,65]
  • [23,31,34]
  • [9,14,17,17]
  • [4,5,9,8,9]
Base
  • 4
  • 5
  • 9
  • 8
  • 9
TopValue
119
HiddenCells
  • {"r":1,"c":0,"v":54}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":3,"v":17}
  • {"r":2,"c":1,"v":31}
  • {"r":3,"c":2,"v":17}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":3,"v":8}