hard Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [70] → [39, _] → [_, _, 17] → [15, _, 4, 13] → [_, _, 1, _, _]

Show answer

Answer: Row5[1]=6, Row4[2]=10, Row5[4]=3, Row3[1]=25, Row5[5]=10, Row5[2]=9, Row2[2]=31, Row3[2]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [39,31]
  • [25,14,17]
  • [15,10,4,13]
  • [6,9,1,3,10]
Base
  • 6
  • 9
  • 1
  • 3
  • 10
TopValue
70
HiddenCells
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":0,"v":25}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":1,"v":31}
  • {"r":2,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [_, _, _] → [11, 5, _, 14] → [_, 4, 1, _, 10]

Show answer

Answer: Row5[1]=7, Row3[3]=19, Row3[2]=10, Row2[2]=29, Row1[1]=55, Row4[3]=5, Row3[1]=16, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [26,29]
  • [16,10,19]
  • [11,5,5,14]
  • [7,4,1,4,10]
Base
  • 7
  • 4
  • 1
  • 4
  • 10
TopValue
55
HiddenCells
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":2,"v":19}
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":29}
  • {"r":0,"c":0,"v":55}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [71, _] → [_, 37, _] → [16, _, _, 19] → [_, _, 9, 10, 9]

Show answer

Answer: Row5[2]=9, Row4[2]=18, Row3[1]=34, Row5[1]=7, Row1[1]=146, Row4[3]=19, Row2[2]=75, Row3[3]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [146]
  • [71,75]
  • [34,37,38]
  • [16,18,19,19]
  • [7,9,9,10,9]
Base
  • 7
  • 9
  • 9
  • 10
  • 9
TopValue
146
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":1,"v":18}
  • {"r":2,"c":0,"v":34}
  • {"r":4,"c":0,"v":7}
  • {"r":0,"c":0,"v":146}
  • {"r":3,"c":2,"v":19}
  • {"r":1,"c":1,"v":75}
  • {"r":2,"c":2,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, _] → [_, 13, _] → [11, _, _, _] → [_, 7, 2, 2, 5]

Show answer

Answer: Row5[1]=4, Row2[2]=24, Row3[3]=11, Row4[4]=7, Row3[1]=20, Row4[2]=9, Row4[3]=4, Row1[1]=57

SubType
number-pyramid
Difficulty
hard
Levels
  • [57]
  • [33,24]
  • [20,13,11]
  • [11,9,4,7]
  • [4,7,2,2,5]
Base
  • 4
  • 7
  • 2
  • 2
  • 5
TopValue
57
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":1,"c":1,"v":24}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":4}
  • {"r":0,"c":0,"v":57}