hard Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, _] → [23, _, _] → [8, _, 11, 3] → [3, 5, _, _, _]

Show answer

Answer: Row2[2]=40, Row5[5]=2, Row3[2]=26, Row4[2]=15, Row1[1]=89, Row5[4]=1, Row3[3]=14, Row5[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [49,40]
  • [23,26,14]
  • [8,15,11,3]
  • [3,5,10,1,2]
Base
  • 3
  • 5
  • 10
  • 1
  • 2
TopValue
89
HiddenCells
  • {"r":1,"c":1,"v":40}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":1,"v":15}
  • {"r":0,"c":0,"v":89}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [15, _, 23] → [4, 11, 15, _] → [_, 1, _, _, 3]

Show answer

Answer: Row5[3]=10, Row2[1]=41, Row2[2]=49, Row4[4]=8, Row3[2]=26, Row5[1]=3, Row1[1]=90, Row5[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [41,49]
  • [15,26,23]
  • [4,11,15,8]
  • [3,1,10,5,3]
Base
  • 3
  • 1
  • 10
  • 5
  • 3
TopValue
90
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":1,"c":0,"v":41}
  • {"r":1,"c":1,"v":49}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":0,"v":3}
  • {"r":0,"c":0,"v":90}
  • {"r":4,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [_, _] → [24, 25, 30] → [_, _, 13, _] → [4, _, _, _, 8]

Show answer

Answer: Row4[2]=12, Row2[2]=55, Row5[2]=8, Row4[1]=12, Row5[4]=9, Row5[3]=4, Row4[4]=17, Row2[1]=49

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [49,55]
  • [24,25,30]
  • [12,12,13,17]
  • [4,8,4,9,8]
Base
  • 4
  • 8
  • 4
  • 9
  • 8
TopValue
104
HiddenCells
  • {"r":3,"c":1,"v":12}
  • {"r":1,"c":1,"v":55}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":3,"v":17}
  • {"r":1,"c":0,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [70, _] → [_, _, 29] → [16, 18, 18, _] → [_, 8, 10, _, _]

Show answer

Answer: Row5[1]=8, Row2[2]=65, Row4[4]=11, Row3[1]=34, Row5[5]=3, Row3[2]=36, Row5[4]=8, Row1[1]=135

SubType
number-pyramid
Difficulty
hard
Levels
  • [135]
  • [70,65]
  • [34,36,29]
  • [16,18,18,11]
  • [8,8,10,8,3]
Base
  • 8
  • 8
  • 10
  • 8
  • 3
TopValue
135
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":1,"c":1,"v":65}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":0,"v":34}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":36}
  • {"r":4,"c":3,"v":8}
  • {"r":0,"c":0,"v":135}