hard Set 35 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [96] → [_, _] → [_, _, _] → [_, 9, 16, 15] → [5, 1, _, 8, _]

Show answer

Answer: Row2[1]=40, Row5[5]=7, Row2[2]=56, Row4[1]=6, Row3[3]=31, Row3[1]=15, Row5[3]=8, Row3[2]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [40,56]
  • [15,25,31]
  • [6,9,16,15]
  • [5,1,8,8,7]
Base
  • 5
  • 1
  • 8
  • 8
  • 7
TopValue
96
HiddenCells
  • {"r":1,"c":0,"v":40}
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":1,"v":56}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":2,"v":31}
  • {"r":2,"c":0,"v":15}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":1,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [_, _] → [20, _, 15] → [_, _, _, _] → [9, 3, 5, _, 6]

Show answer

Answer: Row2[2]=30, Row5[4]=2, Row4[4]=8, Row3[2]=15, Row4[1]=12, Row2[1]=35, Row4[2]=8, Row4[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [35,30]
  • [20,15,15]
  • [12,8,7,8]
  • [9,3,5,2,6]
Base
  • 9
  • 3
  • 5
  • 2
  • 6
TopValue
65
HiddenCells
  • {"r":1,"c":1,"v":30}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":0,"v":12}
  • {"r":1,"c":0,"v":35}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [101] → [_, _] → [26, _, 27] → [_, _, _, 15] → [_, _, 7, 5, 10]

Show answer

Answer: Row4[1]=14, Row5[1]=9, Row2[2]=51, Row2[1]=50, Row5[2]=5, Row3[2]=24, Row4[3]=12, Row4[2]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [50,51]
  • [26,24,27]
  • [14,12,12,15]
  • [9,5,7,5,10]
Base
  • 9
  • 5
  • 7
  • 5
  • 10
TopValue
101
HiddenCells
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":0,"v":9}
  • {"r":1,"c":1,"v":51}
  • {"r":1,"c":0,"v":50}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":1,"v":24}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [57, _] → [31, _, 14] → [_, 17, _, _] → [_, 9, 8, _, 4]

Show answer

Answer: Row1[1]=97, Row5[4]=1, Row2[2]=40, Row4[3]=9, Row4[4]=5, Row4[1]=14, Row5[1]=5, Row3[2]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [57,40]
  • [31,26,14]
  • [14,17,9,5]
  • [5,9,8,1,4]
Base
  • 5
  • 9
  • 8
  • 1
  • 4
TopValue
97
HiddenCells
  • {"r":0,"c":0,"v":97}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":1,"v":40}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":1,"v":26}