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): [_] → [43, 55] → [_, 24, _] → [9, _, _, _] → [_, 3, _, 7, 10]

Show answer

Answer: Row4[3]=14, Row5[1]=6, Row4[4]=17, Row5[3]=7, Row4[2]=10, Row3[1]=19, Row3[3]=31, Row1[1]=98

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [43,55]
  • [19,24,31]
  • [9,10,14,17]
  • [6,3,7,7,10]
Base
  • 6
  • 3
  • 7
  • 7
  • 10
TopValue
98
HiddenCells
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":0,"v":19}
  • {"r":2,"c":2,"v":31}
  • {"r":0,"c":0,"v":98}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 34] → [18, 16, _] → [9, _, 7, 11] → [6, _, _, _, _]

Show answer

Answer: Row4[2]=9, Row3[3]=18, Row5[4]=1, Row1[1]=68, Row5[5]=10, Row5[2]=3, Row5[3]=6, Row2[1]=34

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [34,34]
  • [18,16,18]
  • [9,9,7,11]
  • [6,3,6,1,10]
Base
  • 6
  • 3
  • 6
  • 1
  • 10
TopValue
68
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":2,"v":18}
  • {"r":4,"c":3,"v":1}
  • {"r":0,"c":0,"v":68}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":2,"v":6}
  • {"r":1,"c":0,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [31, _] → [_, _, 16] → [_, 7, _, 9] → [_, 2, 5, _, _]

Show answer

Answer: Row5[5]=7, Row3[2]=14, Row3[1]=17, Row4[3]=7, Row5[4]=2, Row4[1]=10, Row2[2]=30, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [31,30]
  • [17,14,16]
  • [10,7,7,9]
  • [8,2,5,2,7]
Base
  • 8
  • 2
  • 5
  • 2
  • 7
TopValue
61
HiddenCells
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":1,"v":30}
  • {"r":4,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 25] → [6, 6, 12, _] → [4, 2, 4, _, _]

Show answer

Answer: Row3[2]=18, Row2[2]=43, Row3[1]=12, Row5[5]=5, Row5[4]=8, Row2[1]=30, Row4[4]=13, Row1[1]=73

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [30,43]
  • [12,18,25]
  • [6,6,12,13]
  • [4,2,4,8,5]
Base
  • 4
  • 2
  • 4
  • 8
  • 5
TopValue
73
HiddenCells
  • {"r":2,"c":1,"v":18}
  • {"r":1,"c":1,"v":43}
  • {"r":2,"c":0,"v":12}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":0,"v":30}
  • {"r":3,"c":3,"v":13}
  • {"r":0,"c":0,"v":73}