medium Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 17] → [13, _, _] → [10, _, 6, 2]

Show answer

Answer: Row1[1]=39, Row4[2]=3, Row3[3]=8, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [22,17]
  • [13,9,8]
  • [10,3,6,2]
Base
  • 10
  • 3
  • 6
  • 2
TopValue
39
HiddenCells
  • {"r":0,"c":0,"v":39}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":2,"v":8}
  • {"r":2,"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): [_] → [26, 15] → [17, _, 6] → [_, 7, 2, _]

Show answer

Answer: Row3[2]=9, Row4[1]=10, Row1[1]=41, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [26,15]
  • [17,9,6]
  • [10,7,2,4]
Base
  • 10
  • 7
  • 2
  • 4
TopValue
41
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":0,"v":10}
  • {"r":0,"c":0,"v":41}
  • {"r":3,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [12, 16, 18] → [4, 8, 8, _]

Show answer

Answer: Row2[1]=28, Row1[1]=62, Row2[2]=34, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [28,34]
  • [12,16,18]
  • [4,8,8,10]
Base
  • 4
  • 8
  • 8
  • 10
TopValue
62
HiddenCells
  • {"r":1,"c":0,"v":28}
  • {"r":0,"c":0,"v":62}
  • {"r":1,"c":1,"v":34}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [28, _] → [14, 14, _] → [4, 10, _, _]

Show answer

Answer: Row4[4]=5, Row2[2]=23, Row4[3]=4, Row3[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [28,23]
  • [14,14,9]
  • [4,10,4,5]
Base
  • 4
  • 10
  • 4
  • 5
TopValue
51
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":1,"v":23}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":2,"v":9}