hard Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 43] → [26, 24, _] → [_, _, 11, 8] → [5, _, 5, _, _]

Show answer

Answer: Row4[1]=13, Row3[3]=19, Row5[5]=2, Row5[2]=8, Row2[1]=50, Row5[4]=6, Row4[2]=13, Row1[1]=93

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [50,43]
  • [26,24,19]
  • [13,13,11,8]
  • [5,8,5,6,2]
Base
  • 5
  • 8
  • 5
  • 6
  • 2
TopValue
93
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":1,"v":8}
  • {"r":1,"c":0,"v":50}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":1,"v":13}
  • {"r":0,"c":0,"v":93}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, _] → [22, 20, _] → [13, _, _, _] → [10, 3, _, _, 5]

Show answer

Answer: Row3[3]=21, Row2[2]=41, Row1[1]=83, Row5[4]=5, Row5[3]=6, Row4[2]=9, Row4[3]=11, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [42,41]
  • [22,20,21]
  • [13,9,11,10]
  • [10,3,6,5,5]
Base
  • 10
  • 3
  • 6
  • 5
  • 5
TopValue
83
HiddenCells
  • {"r":2,"c":2,"v":21}
  • {"r":1,"c":1,"v":41}
  • {"r":0,"c":0,"v":83}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [68, _] → [34, 34, _] → [_, _, 17, 12] → [8, 9, _, _, _]

Show answer

Answer: Row4[2]=17, Row1[1]=131, Row2[2]=63, Row4[1]=17, Row5[4]=9, Row3[3]=29, Row5[5]=3, Row5[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [131]
  • [68,63]
  • [34,34,29]
  • [17,17,17,12]
  • [8,9,8,9,3]
Base
  • 8
  • 9
  • 8
  • 9
  • 3
TopValue
131
HiddenCells
  • {"r":3,"c":1,"v":17}
  • {"r":0,"c":0,"v":131}
  • {"r":1,"c":1,"v":63}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":2,"v":29}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 20] → [_, 15, _, 9] → [9, 7, _, 3, 6]

Show answer

Answer: Row1[1]=103, Row2[2]=46, Row3[2]=26, Row3[1]=31, Row2[1]=57, Row4[1]=16, Row5[3]=8, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [57,46]
  • [31,26,20]
  • [16,15,11,9]
  • [9,7,8,3,6]
Base
  • 9
  • 7
  • 8
  • 3
  • 6
TopValue
103
HiddenCells
  • {"r":0,"c":0,"v":103}
  • {"r":1,"c":1,"v":46}
  • {"r":2,"c":1,"v":26}
  • {"r":2,"c":0,"v":31}
  • {"r":1,"c":0,"v":57}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":2,"v":11}