hard Set 74 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, _] → [22, _, _] → [_, 13, 7, _] → [_, 8, 5, _, 8]

Show answer

Answer: Row3[3]=17, Row5[1]=1, Row3[2]=20, Row4[4]=10, Row5[4]=2, Row2[2]=37, Row4[1]=9, Row1[1]=79

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [42,37]
  • [22,20,17]
  • [9,13,7,10]
  • [1,8,5,2,8]
Base
  • 1
  • 8
  • 5
  • 2
  • 8
TopValue
79
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":1,"v":37}
  • {"r":3,"c":0,"v":9}
  • {"r":0,"c":0,"v":79}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [29, 36] → [13, 16, _] → [5, _, _, 12] → [_, _, _, _, _]

Show answer

Answer: Row5[4]=3, Row4[2]=8, Row5[2]=3, Row4[3]=8, Row3[3]=20, Row5[3]=5, Row5[1]=2, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [29,36]
  • [13,16,20]
  • [5,8,8,12]
  • [2,3,5,3,9]
Base
  • 2
  • 3
  • 5
  • 3
  • 9
TopValue
65
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":2,"v":20}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":4,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [_, _] → [_, 14, _] → [14, _, 7, 6] → [9, _, _, 5, _]

Show answer

Answer: Row5[3]=2, Row2[2]=27, Row2[1]=35, Row4[2]=7, Row3[1]=21, Row5[5]=1, Row5[2]=5, Row3[3]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [35,27]
  • [21,14,13]
  • [14,7,7,6]
  • [9,5,2,5,1]
Base
  • 9
  • 5
  • 2
  • 5
  • 1
TopValue
62
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":1,"c":1,"v":27}
  • {"r":1,"c":0,"v":35}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [_, _] → [_, 22, 21] → [8, 11, _, _] → [1, _, _, _, 3]

Show answer

Answer: Row2[1]=41, Row5[4]=7, Row5[3]=4, Row4[3]=11, Row2[2]=43, Row3[1]=19, Row5[2]=7, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [41,43]
  • [19,22,21]
  • [8,11,11,10]
  • [1,7,4,7,3]
Base
  • 1
  • 7
  • 4
  • 7
  • 3
TopValue
84
HiddenCells
  • {"r":1,"c":0,"v":41}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":2,"v":11}
  • {"r":1,"c":1,"v":43}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":3,"v":10}