medium Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, _] → [8, 12, 13] → [_, _, 6, 7]

Show answer

Answer: Row4[1]=2, Row4[2]=6, Row1[1]=45, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [20,25]
  • [8,12,13]
  • [2,6,6,7]
Base
  • 2
  • 6
  • 6
  • 7
TopValue
45
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":1,"v":6}
  • {"r":0,"c":0,"v":45}
  • {"r":1,"c":1,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [_, 32] → [_, 18, 14] → [_, 9, _, 5]

Show answer

Answer: Row3[1]=15, Row4[3]=9, Row2[1]=33, Row4[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [65]
  • [33,32]
  • [15,18,14]
  • [6,9,9,5]
Base
  • 6
  • 9
  • 9
  • 5
TopValue
65
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":0,"v":33}
  • {"r":3,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [25, _] → [11, _, 9] → [3, _, _, 3]

Show answer

Answer: Row4[3]=6, Row4[2]=8, Row2[2]=23, Row3[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [25,23]
  • [11,14,9]
  • [3,8,6,3]
Base
  • 3
  • 8
  • 6
  • 3
TopValue
48
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":23}
  • {"r":2,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [29, 19] → [_, _, _] → [_, 10, 1, 7]

Show answer

Answer: Row3[2]=11, Row3[1]=18, Row4[1]=8, Row3[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [29,19]
  • [18,11,8]
  • [8,10,1,7]
Base
  • 8
  • 10
  • 1
  • 7
TopValue
48
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":2,"v":8}