medium Set 24 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, _] → [16, 14, _] → [9, 7, 7, _]

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Answer: Row3[3]=11, Row1[1]=55, Row4[4]=4, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [30,25]
  • [16,14,11]
  • [9,7,7,4]
Base
  • 9
  • 7
  • 7
  • 4
TopValue
55
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":0,"c":0,"v":55}
  • {"r":3,"c":3,"v":4}
  • {"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): [73] → [36, _] → [_, 18, 19] → [9, _, _, 10]

Show answer

Answer: Row4[2]=9, Row3[1]=18, Row2[2]=37, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [73]
  • [36,37]
  • [18,18,19]
  • [9,9,9,10]
Base
  • 9
  • 9
  • 9
  • 10
TopValue
73
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":18}
  • {"r":1,"c":1,"v":37}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, 16, 17] → [10, _, 9, 8]

Show answer

Answer: Row4[2]=7, Row1[1]=66, Row2[2]=33, Row2[1]=33

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [33,33]
  • [17,16,17]
  • [10,7,9,8]
Base
  • 10
  • 7
  • 9
  • 8
TopValue
66
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":0,"c":0,"v":66}
  • {"r":1,"c":1,"v":33}
  • {"r":1,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, 26] → [13, _, 11] → [7, _, _, 2]

Show answer

Answer: Row4[2]=6, Row3[2]=15, Row1[1]=54, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [28,26]
  • [13,15,11]
  • [7,6,9,2]
Base
  • 7
  • 6
  • 9
  • 2
TopValue
54
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":1,"v":15}
  • {"r":0,"c":0,"v":54}
  • {"r":3,"c":2,"v":9}