hard Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 30, 20] → [8, 16, 14, _] → [2, _, 10, _, _]

Show answer

Answer: Row5[4]=4, Row5[5]=2, Row2[2]=50, Row3[1]=24, Row5[2]=6, Row1[1]=104, Row2[1]=54, Row4[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [54,50]
  • [24,30,20]
  • [8,16,14,6]
  • [2,6,10,4,2]
Base
  • 2
  • 6
  • 10
  • 4
  • 2
TopValue
104
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":4,"v":2}
  • {"r":1,"c":1,"v":50}
  • {"r":2,"c":0,"v":24}
  • {"r":4,"c":1,"v":6}
  • {"r":0,"c":0,"v":104}
  • {"r":1,"c":0,"v":54}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [141] → [_, 72] → [_, _, 36] → [16, _, 19, _] → [_, _, 10, 9, _]

Show answer

Answer: Row5[1]=9, Row5[2]=7, Row3[1]=33, Row4[2]=17, Row3[2]=36, Row5[5]=8, Row4[4]=17, Row2[1]=69

SubType
number-pyramid
Difficulty
hard
Levels
  • [141]
  • [69,72]
  • [33,36,36]
  • [16,17,19,17]
  • [9,7,10,9,8]
Base
  • 9
  • 7
  • 10
  • 9
  • 8
TopValue
141
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":0,"v":33}
  • {"r":3,"c":1,"v":17}
  • {"r":2,"c":1,"v":36}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":3,"v":17}
  • {"r":1,"c":0,"v":69}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 28] → [12, 9, _] → [_, _, 7, _] → [9, _, 1, 6, _]

Show answer

Answer: Row5[2]=1, Row4[4]=12, Row4[2]=2, Row2[1]=21, Row4[1]=10, Row3[3]=19, Row1[1]=49, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [49]
  • [21,28]
  • [12,9,19]
  • [10,2,7,12]
  • [9,1,1,6,6]
Base
  • 9
  • 1
  • 1
  • 6
  • 6
TopValue
49
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":19}
  • {"r":0,"c":0,"v":49}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, _] → [22, 27, _] → [_, _, _, 10] → [_, 7, _, 8, 2]

Show answer

Answer: Row5[3]=6, Row4[2]=13, Row3[3]=24, Row4[1]=9, Row5[1]=2, Row2[2]=51, Row4[3]=14, Row1[1]=100

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [49,51]
  • [22,27,24]
  • [9,13,14,10]
  • [2,7,6,8,2]
Base
  • 2
  • 7
  • 6
  • 8
  • 2
TopValue
100
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":0,"v":2}
  • {"r":1,"c":1,"v":51}
  • {"r":3,"c":2,"v":14}
  • {"r":0,"c":0,"v":100}