medium Set 68 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 13] → [13, _, 4] → [7, _, _, 1]

Show answer

Answer: Row1[1]=35, Row4[3]=3, Row3[2]=9, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [22,13]
  • [13,9,4]
  • [7,6,3,1]
Base
  • 7
  • 6
  • 3
  • 1
TopValue
35
HiddenCells
  • {"r":0,"c":0,"v":35}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":1,"v":9}
  • {"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): [59] → [29, 30] → [_, _, 15] → [_, _, 6, 9]

Show answer

Answer: Row4[1]=5, Row3[2]=15, Row3[1]=14, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [29,30]
  • [14,15,15]
  • [5,9,6,9]
Base
  • 5
  • 9
  • 6
  • 9
TopValue
59
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":1,"v":15}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 18] → [16, _, _] → [7, 9, 2, _]

Show answer

Answer: Row4[4]=5, Row1[1]=45, Row3[3]=7, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [27,18]
  • [16,11,7]
  • [7,9,2,5]
Base
  • 7
  • 9
  • 2
  • 5
TopValue
45
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":45}
  • {"r":2,"c":2,"v":7}
  • {"r":2,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 20] → [_, _, 8] → [8, 6, 6, _]

Show answer

Answer: Row1[1]=46, Row3[1]=14, Row3[2]=12, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [26,20]
  • [14,12,8]
  • [8,6,6,2]
Base
  • 8
  • 6
  • 6
  • 2
TopValue
46
HiddenCells
  • {"r":0,"c":0,"v":46}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":3,"v":2}