medium Set 14 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, 16, 18] → [10, 7, _, 9]

Show answer

Answer: Row4[3]=9, Row2[1]=33, Row2[2]=34, Row1[1]=67

SubType
number-pyramid
Difficulty
medium
Levels
  • [67]
  • [33,34]
  • [17,16,18]
  • [10,7,9,9]
Base
  • 10
  • 7
  • 9
  • 9
TopValue
67
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":0,"v":33}
  • {"r":1,"c":1,"v":34}
  • {"r":0,"c":0,"v":67}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [_, 18] → [12, _, 9] → [_, 4, _, 4]

Show answer

Answer: Row4[3]=5, Row2[1]=21, Row3[2]=9, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [21,18]
  • [12,9,9]
  • [8,4,5,4]
Base
  • 8
  • 4
  • 5
  • 4
TopValue
39
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":0,"v":21}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [33, _] → [17, 16, 12] → [_, 10, _, _]

Show answer

Answer: Row2[2]=28, Row4[3]=6, Row4[1]=7, Row4[4]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [33,28]
  • [17,16,12]
  • [7,10,6,6]
Base
  • 7
  • 10
  • 6
  • 6
TopValue
61
HiddenCells
  • {"r":1,"c":1,"v":28}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, 23] → [15, 11, _] → [6, 9, _, _]

Show answer

Answer: Row4[3]=2, Row3[3]=12, Row2[1]=26, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [26,23]
  • [15,11,12]
  • [6,9,2,10]
Base
  • 6
  • 9
  • 2
  • 10
TopValue
49
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":2,"c":2,"v":12}
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":3,"v":10}