hard Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [41, _] → [_, 20, 27] → [14, 7, _, 14] → [_, _, _, _, _]

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Answer: Row2[2]=47, Row5[2]=4, Row5[1]=10, Row5[5]=4, Row3[1]=21, Row4[3]=13, Row5[3]=3, Row5[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [41,47]
  • [21,20,27]
  • [14,7,13,14]
  • [10,4,3,10,4]
Base
  • 10
  • 4
  • 3
  • 10
  • 4
TopValue
88
HiddenCells
  • {"r":1,"c":1,"v":47}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [82] → [_, _] → [_, _, 21] → [10, 11, _, 12] → [_, _, _, 2, 10]

Show answer

Answer: Row5[3]=7, Row5[1]=6, Row4[3]=9, Row2[2]=41, Row3[2]=20, Row2[1]=41, Row5[2]=4, Row3[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [41,41]
  • [21,20,21]
  • [10,11,9,12]
  • [6,4,7,2,10]
Base
  • 6
  • 4
  • 7
  • 2
  • 10
TopValue
82
HiddenCells
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":1,"v":41}
  • {"r":2,"c":1,"v":20}
  • {"r":1,"c":0,"v":41}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [135] → [_, _] → [34, _, _] → [17, _, _, 16] → [_, 9, 8, 9, _]

Show answer

Answer: Row4[2]=17, Row2[2]=67, Row5[1]=8, Row5[5]=7, Row3[2]=34, Row2[1]=68, Row3[3]=33, Row4[3]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [135]
  • [68,67]
  • [34,34,33]
  • [17,17,17,16]
  • [8,9,8,9,7]
Base
  • 8
  • 9
  • 8
  • 9
  • 7
TopValue
135
HiddenCells
  • {"r":3,"c":1,"v":17}
  • {"r":1,"c":1,"v":67}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":1,"v":34}
  • {"r":1,"c":0,"v":68}
  • {"r":2,"c":2,"v":33}
  • {"r":3,"c":2,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [100] → [44, _] → [_, _, _] → [_, 10, _, 18] → [_, 6, 4, 10, _]

Show answer

Answer: Row3[3]=32, Row2[2]=56, Row5[1]=4, Row4[3]=14, Row3[2]=24, Row4[1]=10, Row3[1]=20, Row5[5]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [44,56]
  • [20,24,32]
  • [10,10,14,18]
  • [4,6,4,10,8]
Base
  • 4
  • 6
  • 4
  • 10
  • 8
TopValue
100
HiddenCells
  • {"r":2,"c":2,"v":32}
  • {"r":1,"c":1,"v":56}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":2,"v":14}
  • {"r":2,"c":1,"v":24}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":4,"v":8}