hard Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [5, 5, 9, 7] → [4, 1, 4, _, _]

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Answer: Row3[3]=16, Row2[1]=24, Row1[1]=54, Row3[2]=14, Row2[2]=30, Row5[5]=2, Row3[1]=10, Row5[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [24,30]
  • [10,14,16]
  • [5,5,9,7]
  • [4,1,4,5,2]
Base
  • 4
  • 1
  • 4
  • 5
  • 2
TopValue
54
HiddenCells
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":0,"v":24}
  • {"r":0,"c":0,"v":54}
  • {"r":2,"c":1,"v":14}
  • {"r":1,"c":1,"v":30}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":0,"v":10}
  • {"r":4,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 30] → [_, _, _] → [6, 9, 6, 9] → [1, _, 4, _, _]

Show answer

Answer: Row3[1]=15, Row3[3]=15, Row1[1]=60, Row5[4]=2, Row5[5]=7, Row5[2]=5, Row2[1]=30, Row3[2]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [30,30]
  • [15,15,15]
  • [6,9,6,9]
  • [1,5,4,2,7]
Base
  • 1
  • 5
  • 4
  • 2
  • 7
TopValue
60
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":2,"c":2,"v":15}
  • {"r":0,"c":0,"v":60}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":1,"v":5}
  • {"r":1,"c":0,"v":30}
  • {"r":2,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 40] → [_, _, _] → [9, _, 10, 15] → [5, _, 1, _, 6]

Show answer

Answer: Row4[2]=5, Row3[1]=14, Row3[2]=15, Row1[1]=69, Row5[2]=4, Row5[4]=9, Row2[1]=29, Row3[3]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [29,40]
  • [14,15,25]
  • [9,5,10,15]
  • [5,4,1,9,6]
Base
  • 5
  • 4
  • 1
  • 9
  • 6
TopValue
69
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":1,"v":15}
  • {"r":0,"c":0,"v":69}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":0,"v":29}
  • {"r":2,"c":2,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [_, _] → [26, _, _] → [_, _, 4, _] → [7, _, 3, 1, 3]

Show answer

Answer: Row5[2]=8, Row2[2]=23, Row2[1]=41, Row3[2]=15, Row4[4]=4, Row4[1]=15, Row4[2]=11, Row3[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [41,23]
  • [26,15,8]
  • [15,11,4,4]
  • [7,8,3,1,3]
Base
  • 7
  • 8
  • 3
  • 1
  • 3
TopValue
64
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":1,"c":1,"v":23}
  • {"r":1,"c":0,"v":41}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":2,"v":8}