medium Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [5, _] → [3, _, 2] → [_, 1, 1, _]

Show answer

Answer: Row4[1]=2, Row4[4]=1, Row2[2]=4, Row3[2]=2

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 26] → [19, 14, _] → [9, 10, _, 8]

Show answer

Answer: Row2[1]=33, Row3[3]=12, Row4[3]=4, Row1[1]=59

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [33,26]
  • [19,14,12]
  • [9,10,4,8]
Base
  • 9
  • 10
  • 4
  • 8
TopValue
59
HiddenCells
  • {"r":1,"c":0,"v":33}
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":2,"v":4}
  • {"r":0,"c":0,"v":59}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [7, 5, _] → [6, _, 4, 6]

Show answer

Answer: Row4[2]=1, Row1[1]=27, Row2[1]=12, Row3[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [12,15]
  • [7,5,10]
  • [6,1,4,6]
Base
  • 6
  • 1
  • 4
  • 6
TopValue
27
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":0,"c":0,"v":27}
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [_, _, 4] → [2, 2, 3, 1]

Show answer

Answer: Row3[1]=4, Row1[1]=18, Row2[2]=9, Row3[2]=5

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