hard Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [102] → [_, _] → [_, 27, 22] → [11, _, _, _] → [_, 7, 8, 4, _]

Show answer

Answer: Row2[1]=53, Row5[5]=6, Row5[1]=4, Row2[2]=49, Row4[4]=10, Row4[3]=12, Row4[2]=15, Row3[1]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [53,49]
  • [26,27,22]
  • [11,15,12,10]
  • [4,7,8,4,6]
Base
  • 4
  • 7
  • 8
  • 4
  • 6
TopValue
102
HiddenCells
  • {"r":1,"c":0,"v":53}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":0,"v":4}
  • {"r":1,"c":1,"v":49}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":1,"v":15}
  • {"r":2,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [60, 43] → [35, 25, _] → [19, 16, _, _] → [_, _, 6, _, _]

Show answer

Answer: Row1[1]=103, Row5[4]=3, Row5[5]=6, Row5[2]=10, Row5[1]=9, Row4[3]=9, Row3[3]=18, Row4[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [60,43]
  • [35,25,18]
  • [19,16,9,9]
  • [9,10,6,3,6]
Base
  • 9
  • 10
  • 6
  • 3
  • 6
TopValue
103
HiddenCells
  • {"r":0,"c":0,"v":103}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [115] → [56, _] → [27, _, 30] → [12, _, _, _] → [2, _, 5, _, _]

Show answer

Answer: Row5[5]=7, Row5[4]=9, Row4[2]=15, Row4[4]=16, Row3[2]=29, Row4[3]=14, Row5[2]=10, Row2[2]=59

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [56,59]
  • [27,29,30]
  • [12,15,14,16]
  • [2,10,5,9,7]
Base
  • 2
  • 10
  • 5
  • 9
  • 7
TopValue
115
HiddenCells
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"c":3,"v":16}
  • {"r":2,"c":1,"v":29}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":1,"v":59}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 50] → [_, 24, _] → [_, _, 14, _] → [8, 6, 4, 10, _]

Show answer

Answer: Row3[1]=24, Row1[1]=98, Row2[1]=48, Row4[4]=12, Row3[3]=26, Row4[1]=14, Row4[2]=10, Row5[5]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [48,50]
  • [24,24,26]
  • [14,10,14,12]
  • [8,6,4,10,2]
Base
  • 8
  • 6
  • 4
  • 10
  • 2
TopValue
98
HiddenCells
  • {"r":2,"c":0,"v":24}
  • {"r":0,"c":0,"v":98}
  • {"r":1,"c":0,"v":48}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":0,"v":14}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":4,"v":2}