medium Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, _] → [13, 15, 12] → [_, _, 8, 4]

Show answer

Answer: Row1[1]=55, Row4[1]=6, Row2[2]=27, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [28,27]
  • [13,15,12]
  • [6,7,8,4]
Base
  • 6
  • 7
  • 8
  • 4
TopValue
55
HiddenCells
  • {"r":0,"c":0,"v":55}
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [19, 21] → [9, _, _] → [6, _, _, 4]

Show answer

Answer: Row3[3]=11, Row4[3]=7, Row3[2]=10, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [19,21]
  • [9,10,11]
  • [6,3,7,4]
Base
  • 6
  • 3
  • 7
  • 4
TopValue
40
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":1,"v":10}
  • {"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): [_] → [12, 10] → [_, _, 5] → [_, 4, 1, 4]

Show answer

Answer: Row1[1]=22, Row3[1]=7, Row4[1]=3, Row3[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [12,10]
  • [7,5,5]
  • [3,4,1,4]
Base
  • 3
  • 4
  • 1
  • 4
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 25] → [7, 12, _] → [_, 3, 9, _]

Show answer

Answer: Row4[1]=4, Row3[3]=13, Row1[1]=44, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [19,25]
  • [7,12,13]
  • [4,3,9,4]
Base
  • 4
  • 3
  • 9
  • 4
TopValue
44
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":2,"v":13}
  • {"r":0,"c":0,"v":44}
  • {"r":3,"c":3,"v":4}