medium Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, _] → [15, 13, _] → [10, 5, _, 5]

Show answer

Answer: Row3[3]=13, Row2[2]=26, Row4[3]=8, Row1[1]=54

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [28,26]
  • [15,13,13]
  • [10,5,8,5]
Base
  • 10
  • 5
  • 8
  • 5
TopValue
54
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":1,"c":1,"v":26}
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":54}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [33, _] → [18, 15, _] → [_, 9, _, 8]

Show answer

Answer: Row4[3]=6, Row3[3]=14, Row4[1]=9, Row2[2]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [33,29]
  • [18,15,14]
  • [9,9,6,8]
Base
  • 9
  • 9
  • 6
  • 8
TopValue
62
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":1,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [27, 25] → [_, _, _] → [2, 9, 7, _]

Show answer

Answer: Row3[1]=11, Row3[3]=9, Row3[2]=16, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [27,25]
  • [11,16,9]
  • [2,9,7,2]
Base
  • 2
  • 9
  • 7
  • 2
TopValue
52
HiddenCells
  • {"r":2,"c":0,"v":11}
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":16}
  • {"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): [61] → [_, 25] → [19, _, 8] → [_, 10, 7, _]

Show answer

Answer: Row3[2]=17, Row2[1]=36, Row4[1]=9, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [36,25]
  • [19,17,8]
  • [9,10,7,1]
Base
  • 9
  • 10
  • 7
  • 1
TopValue
61
HiddenCells
  • {"r":2,"c":1,"v":17}
  • {"r":1,"c":0,"v":36}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":3,"v":1}