hard Set 32 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, _] → [21, 19, _] → [_, _, 7, _] → [3, _, _, 1, 8]

Show answer

Answer: Row2[2]=35, Row1[1]=75, Row5[2]=6, Row4[1]=9, Row5[3]=6, Row3[3]=16, Row4[2]=12, Row4[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [40,35]
  • [21,19,16]
  • [9,12,7,9]
  • [3,6,6,1,8]
Base
  • 3
  • 6
  • 6
  • 1
  • 8
TopValue
75
HiddenCells
  • {"r":1,"c":1,"v":35}
  • {"r":0,"c":0,"v":75}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":1,"v":12}
  • {"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): [102] → [_, _] → [23, _, _] → [_, _, 14, 13] → [_, 4, 8, 6, _]

Show answer

Answer: Row2[1]=49, Row5[1]=7, Row4[1]=11, Row5[5]=7, Row4[2]=12, Row3[2]=26, Row3[3]=27, Row2[2]=53

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [49,53]
  • [23,26,27]
  • [11,12,14,13]
  • [7,4,8,6,7]
Base
  • 7
  • 4
  • 8
  • 6
  • 7
TopValue
102
HiddenCells
  • {"r":1,"c":0,"v":49}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":1,"v":26}
  • {"r":2,"c":2,"v":27}
  • {"r":1,"c":1,"v":53}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 36] → [22, 19, _] → [12, 10, 9, _] → [_, _, _, _, 5]

Show answer

Answer: Row4[4]=8, Row1[1]=77, Row5[3]=6, Row5[4]=3, Row5[1]=8, Row5[2]=4, Row3[3]=17, Row2[1]=41

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [41,36]
  • [22,19,17]
  • [12,10,9,8]
  • [8,4,6,3,5]
Base
  • 8
  • 4
  • 6
  • 3
  • 5
TopValue
77
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":0,"c":0,"v":77}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":2,"v":17}
  • {"r":1,"c":0,"v":41}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, 40] → [_, _, 19] → [7, 9, _, 7] → [_, 2, _, _, _]

Show answer

Answer: Row4[3]=12, Row5[3]=7, Row5[5]=2, Row3[1]=16, Row1[1]=77, Row5[1]=5, Row5[4]=5, Row3[2]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [37,40]
  • [16,21,19]
  • [7,9,12,7]
  • [5,2,7,5,2]
Base
  • 5
  • 2
  • 7
  • 5
  • 2
TopValue
77
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":0,"v":16}
  • {"r":0,"c":0,"v":77}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":1,"v":21}