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): [_] → [27, _] → [14, 13, _] → [6, 8, 5, _]

Show answer

Answer: Row4[4]=7, Row1[1]=52, Row3[3]=12, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [27,25]
  • [14,13,12]
  • [6,8,5,7]
Base
  • 6
  • 8
  • 5
  • 7
TopValue
52
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":0,"c":0,"v":52}
  • {"r":2,"c":2,"v":12}
  • {"r":1,"c":1,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 23] → [6, _, _] → [_, 2, 10, 1]

Show answer

Answer: Row3[3]=11, Row3[2]=12, Row1[1]=41, Row4[1]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [18,23]
  • [6,12,11]
  • [4,2,10,1]
Base
  • 4
  • 2
  • 10
  • 1
TopValue
41
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":2,"c":1,"v":12}
  • {"r":0,"c":0,"v":41}
  • {"r":3,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [_, 18, 11] → [7, 9, _, 2]

Show answer

Answer: Row2[1]=34, Row4[3]=9, Row3[1]=16, Row1[1]=63

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [34,29]
  • [16,18,11]
  • [7,9,9,2]
Base
  • 7
  • 9
  • 9
  • 2
TopValue
63
HiddenCells
  • {"r":1,"c":0,"v":34}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":0,"v":16}
  • {"r":0,"c":0,"v":63}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 25] → [18, 17, 8] → [8, 10, _, _]

Show answer

Answer: Row2[1]=35, Row4[3]=7, Row4[4]=1, Row1[1]=60

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [35,25]
  • [18,17,8]
  • [8,10,7,1]
Base
  • 8
  • 10
  • 7
  • 1
TopValue
60
HiddenCells
  • {"r":1,"c":0,"v":35}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":3,"v":1}
  • {"r":0,"c":0,"v":60}