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): [_] → [25, 28] → [_, 12, _] → [7, 6, _, 10]

Show answer

Answer: Row1[1]=53, Row4[3]=6, Row3[1]=13, Row3[3]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [25,28]
  • [13,12,16]
  • [7,6,6,10]
Base
  • 7
  • 6
  • 6
  • 10
TopValue
53
HiddenCells
  • {"r":0,"c":0,"v":53}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":2,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, _] → [10, _, 10] → [4, _, 5, 5]

Show answer

Answer: Row4[2]=6, Row3[2]=11, Row2[2]=21, Row1[1]=42

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [21,21]
  • [10,11,10]
  • [4,6,5,5]
Base
  • 4
  • 6
  • 5
  • 5
TopValue
42
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":1,"v":11}
  • {"r":1,"c":1,"v":21}
  • {"r":0,"c":0,"v":42}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [24, 14] → [_, _, 4] → [5, _, _, 3]

Show answer

Answer: Row4[3]=1, Row4[2]=9, Row3[2]=10, Row3[1]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [24,14]
  • [14,10,4]
  • [5,9,1,3]
Base
  • 5
  • 9
  • 1
  • 3
TopValue
38
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, _] → [10, _, _] → [3, 7, 7, 5]

Show answer

Answer: Row2[2]=26, Row2[1]=24, Row3[3]=12, Row3[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [24,26]
  • [10,14,12]
  • [3,7,7,5]
Base
  • 3
  • 7
  • 7
  • 5
TopValue
50
HiddenCells
  • {"r":1,"c":1,"v":26}
  • {"r":1,"c":0,"v":24}
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":1,"v":14}