medium Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, 24] → [16, 15, 9] → [_, _, 6, _]

Show answer

Answer: Row1[1]=55, Row4[1]=7, Row4[4]=3, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [31,24]
  • [16,15,9]
  • [7,9,6,3]
Base
  • 7
  • 9
  • 6
  • 3
TopValue
55
HiddenCells
  • {"r":0,"c":0,"v":55}
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":3,"v":3}
  • {"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): [51] → [_, _] → [16, 12, _] → [10, 6, 6, _]

Show answer

Answer: Row4[4]=5, Row2[2]=23, Row3[3]=11, Row2[1]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [28,23]
  • [16,12,11]
  • [10,6,6,5]
Base
  • 10
  • 6
  • 6
  • 5
TopValue
51
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":1,"v":23}
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [_, _] → [14, 12, 13] → [8, _, _, 7]

Show answer

Answer: Row4[2]=6, Row2[2]=25, Row2[1]=26, Row4[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [26,25]
  • [14,12,13]
  • [8,6,6,7]
Base
  • 8
  • 6
  • 6
  • 7
TopValue
51
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":1,"v":25}
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [_, _] → [15, 9, 10] → [_, 6, 3, _]

Show answer

Answer: Row4[4]=7, Row2[1]=24, Row4[1]=9, Row2[2]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [24,19]
  • [15,9,10]
  • [9,6,3,7]
Base
  • 9
  • 6
  • 3
  • 7
TopValue
43
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":0,"v":24}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":1,"v":19}