hard Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 51] → [_, 32, _] → [19, 19, _, _] → [10, 9, 10, _, _]

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Answer: Row3[3]=19, Row2[1]=70, Row5[5]=3, Row4[3]=13, Row4[4]=6, Row1[1]=121, Row5[4]=3, Row3[1]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [70,51]
  • [38,32,19]
  • [19,19,13,6]
  • [10,9,10,3,3]
Base
  • 10
  • 9
  • 10
  • 3
  • 3
TopValue
121
HiddenCells
  • {"r":2,"c":2,"v":19}
  • {"r":1,"c":0,"v":70}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":2,"v":13}
  • {"r":3,"c":3,"v":6}
  • {"r":0,"c":0,"v":121}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [19, 22, _] → [9, _, 12, 12] → [_, _, 4, 8, _]

Show answer

Answer: Row2[1]=41, Row5[1]=3, Row2[2]=46, Row5[5]=4, Row3[3]=24, Row1[1]=87, Row5[2]=6, Row4[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [41,46]
  • [19,22,24]
  • [9,10,12,12]
  • [3,6,4,8,4]
Base
  • 3
  • 6
  • 4
  • 8
  • 4
TopValue
87
HiddenCells
  • {"r":1,"c":0,"v":41}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":1,"v":46}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":2,"v":24}
  • {"r":0,"c":0,"v":87}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [_, 32] → [_, _, 12] → [_, _, 8, 4] → [_, _, 7, 1, _]

Show answer

Answer: Row3[1]=27, Row3[2]=20, Row2[1]=47, Row5[1]=10, Row5[5]=3, Row4[1]=15, Row5[2]=5, Row4[2]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [47,32]
  • [27,20,12]
  • [15,12,8,4]
  • [10,5,7,1,3]
Base
  • 10
  • 5
  • 7
  • 1
  • 3
TopValue
79
HiddenCells
  • {"r":2,"c":0,"v":27}
  • {"r":2,"c":1,"v":20}
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 38] → [_, _, 22] → [6, 5, _, 11] → [_, 2, _, 8, _]

Show answer

Answer: Row4[3]=11, Row3[2]=16, Row5[3]=3, Row5[1]=4, Row5[5]=3, Row2[1]=27, Row1[1]=65, Row3[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [27,38]
  • [11,16,22]
  • [6,5,11,11]
  • [4,2,3,8,3]
Base
  • 4
  • 2
  • 3
  • 8
  • 3
TopValue
65
HiddenCells
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":1,"v":16}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":4,"v":3}
  • {"r":1,"c":0,"v":27}
  • {"r":0,"c":0,"v":65}
  • {"r":2,"c":0,"v":11}