medium Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, _] → [11, 13, 12] → [_, _, 7, 5]

Show answer

Answer: Row4[1]=5, Row2[2]=25, Row4[2]=6, Row2[1]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [24,25]
  • [11,13,12]
  • [5,6,7,5]
Base
  • 5
  • 6
  • 7
  • 5
TopValue
49
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [4, 7, _] → [1, _, 4, 1]

Show answer

Answer: Row2[2]=12, Row3[3]=5, Row1[1]=23, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [11,12]
  • [4,7,5]
  • [1,3,4,1]
Base
  • 1
  • 3
  • 4
  • 1
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":2,"v":5}
  • {"r":0,"c":0,"v":23}
  • {"r":3,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [18, 19, 11] → [9, _, 10, 1]

Show answer

Answer: Row4[2]=9, Row2[1]=37, Row1[1]=67, Row2[2]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [67]
  • [37,30]
  • [18,19,11]
  • [9,9,10,1]
Base
  • 9
  • 9
  • 10
  • 1
TopValue
67
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":37}
  • {"r":0,"c":0,"v":67}
  • {"r":1,"c":1,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, _] → [_, _, 14] → [3, 6, 9, 5]

Show answer

Answer: Row3[2]=15, Row3[1]=9, Row1[1]=53, Row2[2]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [24,29]
  • [9,15,14]
  • [3,6,9,5]
Base
  • 3
  • 6
  • 9
  • 5
TopValue
53
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":2,"c":0,"v":9}
  • {"r":0,"c":0,"v":53}
  • {"r":1,"c":1,"v":29}