medium Set 33 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [26, _] → [15, 11, 8] → [_, _, 2, _]

Show answer

Answer: Row4[4]=6, Row2[2]=19, Row4[1]=6, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [26,19]
  • [15,11,8]
  • [6,9,2,6]
Base
  • 6
  • 9
  • 2
  • 6
TopValue
45
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":1,"c":1,"v":19}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"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): [30] → [_, _] → [9, 5, 11] → [_, 3, 2, _]

Show answer

Answer: Row4[1]=6, Row2[1]=14, Row4[4]=9, Row2[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [14,16]
  • [9,5,11]
  • [6,3,2,9]
Base
  • 6
  • 3
  • 2
  • 9
TopValue
30
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":0,"v":14}
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 20] → [_, 10, _] → [3, _, 2, 8]

Show answer

Answer: Row3[3]=10, Row1[1]=41, Row3[1]=11, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [21,20]
  • [11,10,10]
  • [3,8,2,8]
Base
  • 3
  • 8
  • 2
  • 8
TopValue
41
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":0,"c":0,"v":41}
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 23] → [10, 9, _] → [6, _, 5, _]

Show answer

Answer: Row4[2]=4, Row1[1]=42, Row3[3]=14, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [19,23]
  • [10,9,14]
  • [6,4,5,9]
Base
  • 6
  • 4
  • 5
  • 9
TopValue
42
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":0,"c":0,"v":42}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":9}