hard Set 36 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [86] → [_, _] → [_, 19, 24] → [_, _, 9, 15] → [8, _, _, 5, _]

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Answer: Row5[5]=10, Row2[1]=43, Row2[2]=43, Row3[1]=24, Row4[2]=10, Row4[1]=14, Row5[3]=4, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [43,43]
  • [24,19,24]
  • [14,10,9,15]
  • [8,6,4,5,10]
Base
  • 8
  • 6
  • 4
  • 5
  • 10
TopValue
86
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":0,"v":43}
  • {"r":1,"c":1,"v":43}
  • {"r":2,"c":0,"v":24}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [95] → [49, 46] → [_, _, _] → [_, 11, _, 15] → [10, _, 4, _, _]

Show answer

Answer: Row5[4]=6, Row3[1]=28, Row5[5]=9, Row5[2]=7, Row3[2]=21, Row3[3]=25, Row4[1]=17, Row4[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [49,46]
  • [28,21,25]
  • [17,11,10,15]
  • [10,7,4,6,9]
Base
  • 10
  • 7
  • 4
  • 6
  • 9
TopValue
95
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":1,"v":21}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":0,"v":17}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, _] → [_, _, _] → [14, _, 11, _] → [4, 10, 1, 10, _]

Show answer

Answer: Row4[4]=20, Row3[2]=22, Row2[2]=53, Row1[1]=100, Row3[1]=25, Row4[2]=11, Row5[5]=10, Row3[3]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [47,53]
  • [25,22,31]
  • [14,11,11,20]
  • [4,10,1,10,10]
Base
  • 4
  • 10
  • 1
  • 10
  • 10
TopValue
100
HiddenCells
  • {"r":3,"c":3,"v":20}
  • {"r":2,"c":1,"v":22}
  • {"r":1,"c":1,"v":53}
  • {"r":0,"c":0,"v":100}
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":2,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 26, _] → [_, _, 14, 12] → [_, 2, 10, 4, 8]

Show answer

Answer: Row4[1]=5, Row3[1]=17, Row2[2]=52, Row1[1]=95, Row5[1]=3, Row2[1]=43, Row4[2]=12, Row3[3]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [43,52]
  • [17,26,26]
  • [5,12,14,12]
  • [3,2,10,4,8]
Base
  • 3
  • 2
  • 10
  • 4
  • 8
TopValue
95
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":0,"v":17}
  • {"r":1,"c":1,"v":52}
  • {"r":0,"c":0,"v":95}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":43}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":2,"v":26}