medium Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [19, 26] → [_, 9, 17] → [_, _, _, 10]

Show answer

Answer: Row3[1]=10, Row4[3]=7, Row4[2]=2, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [19,26]
  • [10,9,17]
  • [8,2,7,10]
Base
  • 8
  • 2
  • 7
  • 10
TopValue
45
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [_, 26] → [_, 17, _] → [5, 10, 7, _]

Show answer

Answer: Row3[1]=15, Row2[1]=32, Row3[3]=9, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [32,26]
  • [15,17,9]
  • [5,10,7,2]
Base
  • 5
  • 10
  • 7
  • 2
TopValue
58
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":1,"c":0,"v":32}
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [20, 26] → [8, _, 14] → [_, _, _, 5]

Show answer

Answer: Row4[3]=9, Row4[2]=3, Row3[2]=12, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [20,26]
  • [8,12,14]
  • [5,3,9,5]
Base
  • 5
  • 3
  • 9
  • 5
TopValue
46
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 28] → [8, 12, _] → [_, 4, _, 8]

Show answer

Answer: Row4[3]=8, Row1[1]=48, Row3[3]=16, Row4[1]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [20,28]
  • [8,12,16]
  • [4,4,8,8]
Base
  • 4
  • 4
  • 8
  • 8
TopValue
48
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":48}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":0,"v":4}