medium Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 23] → [7, 14, _] → [1, _, 8, _]

Show answer

Answer: Row3[3]=9, Row4[4]=1, Row1[1]=44, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [21,23]
  • [7,14,9]
  • [1,6,8,1]
Base
  • 1
  • 6
  • 8
  • 1
TopValue
44
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":3,"v":1}
  • {"r":0,"c":0,"v":44}
  • {"r":3,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [28, _] → [18, 10, _] → [9, 9, _, _]

Show answer

Answer: Row4[4]=9, Row2[2]=20, Row4[3]=1, Row3[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [28,20]
  • [18,10,10]
  • [9,9,1,9]
Base
  • 9
  • 9
  • 1
  • 9
TopValue
48
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":1,"v":20}
  • {"r":3,"c":2,"v":1}
  • {"r":2,"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): [56] → [27, _] → [10, 17, _] → [2, _, _, 3]

Show answer

Answer: Row4[2]=8, Row2[2]=29, Row4[3]=9, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [27,29]
  • [10,17,12]
  • [2,8,9,3]
Base
  • 2
  • 8
  • 9
  • 3
TopValue
56
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":29}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [20, _] → [13, 7, _] → [_, 6, _, 9]

Show answer

Answer: Row3[3]=10, Row4[3]=1, Row2[2]=17, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [20,17]
  • [13,7,10]
  • [7,6,1,9]
Base
  • 7
  • 6
  • 1
  • 9
TopValue
37
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":2,"v":1}
  • {"r":1,"c":1,"v":17}
  • {"r":3,"c":0,"v":7}