medium Set 35 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [28, _] → [_, 12, 7] → [_, 10, _, 5]

Show answer

Answer: Row2[2]=19, Row3[1]=16, Row4[3]=2, Row4[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [28,19]
  • [16,12,7]
  • [6,10,2,5]
Base
  • 6
  • 10
  • 2
  • 5
TopValue
47
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":2,"c":0,"v":16}
  • {"r":3,"c":2,"v":2}
  • {"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): [_] → [38, 30] → [20, 18, _] → [10, _, 8, _]

Show answer

Answer: Row3[3]=12, Row4[4]=4, Row1[1]=68, Row4[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [68]
  • [38,30]
  • [20,18,12]
  • [10,10,8,4]
Base
  • 10
  • 10
  • 8
  • 4
TopValue
68
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":3,"v":4}
  • {"r":0,"c":0,"v":68}
  • {"r":3,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [29, _] → [15, 14, _] → [8, _, _, 4]

Show answer

Answer: Row3[3]=11, Row2[2]=25, Row4[3]=7, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [29,25]
  • [15,14,11]
  • [8,7,7,4]
Base
  • 8
  • 7
  • 7
  • 4
TopValue
54
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"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): [32] → [_, 21] → [_, _, _] → [4, 1, 5, 10]

Show answer

Answer: Row2[1]=11, Row3[2]=6, Row3[1]=5, Row3[3]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [11,21]
  • [5,6,15]
  • [4,1,5,10]
Base
  • 4
  • 1
  • 5
  • 10
TopValue
32
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":2,"c":1,"v":6}
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":15}