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): [45] → [17, _] → [5, _, _] → [2, _, 9, 7]

Show answer

Answer: Row3[2]=12, Row3[3]=16, Row2[2]=28, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [17,28]
  • [5,12,16]
  • [2,3,9,7]
Base
  • 2
  • 3
  • 9
  • 7
TopValue
45
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":1,"v":28}
  • {"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): [23] → [13, 10] → [_, 6, _] → [2, _, _, 3]

Show answer

Answer: Row4[2]=5, Row3[3]=4, Row3[1]=7, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [13,10]
  • [7,6,4]
  • [2,5,1,3]
Base
  • 2
  • 5
  • 1
  • 3
TopValue
23
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [_, 22] → [16, 14, 8] → [_, _, _, 3]

Show answer

Answer: Row2[1]=30, Row4[3]=5, Row4[2]=9, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [30,22]
  • [16,14,8]
  • [7,9,5,3]
Base
  • 7
  • 9
  • 5
  • 3
TopValue
52
HiddenCells
  • {"r":1,"c":0,"v":30}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 19] → [16, 11, 8] → [_, _, 1, _]

Show answer

Answer: Row4[2]=10, Row4[1]=6, Row4[4]=7, Row1[1]=46

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [27,19]
  • [16,11,8]
  • [6,10,1,7]
Base
  • 6
  • 10
  • 1
  • 7
TopValue
46
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":3,"v":7}
  • {"r":0,"c":0,"v":46}