medium Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 25] → [_, _, _] → [2, 5, 8, 4]

Show answer

Answer: Row3[3]=12, Row1[1]=45, Row3[2]=13, Row3[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [20,25]
  • [7,13,12]
  • [2,5,8,4]
Base
  • 2
  • 5
  • 8
  • 4
TopValue
45
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":0,"c":0,"v":45}
  • {"r":2,"c":1,"v":13}
  • {"r":2,"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): [47] → [_, _] → [_, _, 10] → [10, 3, 9, 1]

Show answer

Answer: Row2[2]=22, Row3[2]=12, Row3[1]=13, Row2[1]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [25,22]
  • [13,12,10]
  • [10,3,9,1]
Base
  • 10
  • 3
  • 9
  • 1
TopValue
47
HiddenCells
  • {"r":1,"c":1,"v":22}
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [29, 33] → [10, _, 14] → [_, _, _, 4]

Show answer

Answer: Row3[2]=19, Row4[3]=10, Row4[1]=1, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [29,33]
  • [10,19,14]
  • [1,9,10,4]
Base
  • 1
  • 9
  • 10
  • 4
TopValue
62
HiddenCells
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":0,"v":1}
  • {"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): [64] → [_, _] → [_, 16, 16] → [6, 10, _, 10]

Show answer

Answer: Row4[3]=6, Row3[1]=16, Row2[2]=32, Row2[1]=32

SubType
number-pyramid
Difficulty
medium
Levels
  • [64]
  • [32,32]
  • [16,16,16]
  • [6,10,6,10]
Base
  • 6
  • 10
  • 6
  • 10
TopValue
64
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":16}
  • {"r":1,"c":1,"v":32}
  • {"r":1,"c":0,"v":32}