medium Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [7, 11, _] → [_, 3, 8, 1]

Show answer

Answer: Row3[3]=9, Row4[1]=4, Row1[1]=38, Row2[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [18,20]
  • [7,11,9]
  • [4,3,8,1]
Base
  • 4
  • 3
  • 8
  • 1
TopValue
38
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":0,"v":4}
  • {"r":0,"c":0,"v":38}
  • {"r":1,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 15] → [11, 9, _] → [_, _, 4, 2]

Show answer

Answer: Row1[1]=35, Row4[2]=5, Row3[3]=6, Row4[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [20,15]
  • [11,9,6]
  • [6,5,4,2]
Base
  • 6
  • 5
  • 4
  • 2
TopValue
35
HiddenCells
  • {"r":0,"c":0,"v":35}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":2,"v":6}
  • {"r":3,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, _] → [13, _, 10] → [10, _, 4, 6]

Show answer

Answer: Row4[2]=3, Row1[1]=37, Row2[2]=17, Row3[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [20,17]
  • [13,7,10]
  • [10,3,4,6]
Base
  • 10
  • 3
  • 4
  • 6
TopValue
37
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":0,"c":0,"v":37}
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, _] → [3, _, 11] → [1, 2, 6, _]

Show answer

Answer: Row4[4]=5, Row2[2]=19, Row2[1]=11, Row3[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [11,19]
  • [3,8,11]
  • [1,2,6,5]
Base
  • 1
  • 2
  • 6
  • 5
TopValue
30
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":1,"v":19}
  • {"r":1,"c":0,"v":11}
  • {"r":2,"c":1,"v":8}