medium Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, 18] → [16, _, 6] → [8, 8, _, _]

Show answer

Answer: Row4[3]=4, Row1[1]=46, Row3[2]=12, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [28,18]
  • [16,12,6]
  • [8,8,4,2]
Base
  • 8
  • 8
  • 4
  • 2
TopValue
46
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":0,"c":0,"v":46}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [28, 30] → [_, 17, _] → [_, 8, 9, _]

Show answer

Answer: Row4[1]=3, Row4[4]=4, Row3[3]=13, Row3[1]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [28,30]
  • [11,17,13]
  • [3,8,9,4]
Base
  • 3
  • 8
  • 9
  • 4
TopValue
58
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":2,"v":13}
  • {"r":2,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [_, _] → [8, 10, 9] → [1, _, _, 6]

Show answer

Answer: Row2[2]=19, Row4[2]=7, Row4[3]=3, Row2[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [18,19]
  • [8,10,9]
  • [1,7,3,6]
Base
  • 1
  • 7
  • 3
  • 6
TopValue
37
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":2,"v":3}
  • {"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): [43] → [19, 24] → [_, _, 13] → [_, 4, 7, _]

Show answer

Answer: Row3[1]=8, Row4[4]=6, Row3[2]=11, Row4[1]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [19,24]
  • [8,11,13]
  • [4,4,7,6]
Base
  • 4
  • 4
  • 7
  • 6
TopValue
43
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":0,"v":4}