hard Set 37 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [100] → [_, 44] → [_, _, 18] → [_, _, 9, 9] → [3, _, 7, _, _]

Show answer

Answer: Row2[1]=56, Row4[2]=17, Row5[5]=7, Row4[1]=13, Row3[2]=26, Row5[4]=2, Row5[2]=10, Row3[1]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [56,44]
  • [30,26,18]
  • [13,17,9,9]
  • [3,10,7,2,7]
Base
  • 3
  • 10
  • 7
  • 2
  • 7
TopValue
100
HiddenCells
  • {"r":1,"c":0,"v":56}
  • {"r":3,"c":1,"v":17}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":0,"v":13}
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, _] → [_, 21, _] → [_, 11, 10, _] → [_, 10, _, 9, 10]

Show answer

Answer: Row4[4]=19, Row3[1]=28, Row4[1]=17, Row2[2]=50, Row5[3]=1, Row5[1]=7, Row1[1]=99, Row3[3]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [49,50]
  • [28,21,29]
  • [17,11,10,19]
  • [7,10,1,9,10]
Base
  • 7
  • 10
  • 1
  • 9
  • 10
TopValue
99
HiddenCells
  • {"r":3,"c":3,"v":19}
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":0,"v":17}
  • {"r":1,"c":1,"v":50}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":0,"v":7}
  • {"r":0,"c":0,"v":99}
  • {"r":2,"c":2,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 41] → [_, _, 18] → [8, 12, 11, _] → [3, _, _, 4, _]

Show answer

Answer: Row3[1]=20, Row5[2]=5, Row5[3]=7, Row5[5]=3, Row1[1]=84, Row3[2]=23, Row2[1]=43, Row4[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [43,41]
  • [20,23,18]
  • [8,12,11,7]
  • [3,5,7,4,3]
Base
  • 3
  • 5
  • 7
  • 4
  • 3
TopValue
84
HiddenCells
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":4,"v":3}
  • {"r":0,"c":0,"v":84}
  • {"r":2,"c":1,"v":23}
  • {"r":1,"c":0,"v":43}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 26] → [26, _, 13] → [17, 9, _, 9] → [_, _, _, _, 7]

Show answer

Answer: Row5[3]=2, Row5[2]=7, Row1[1]=65, Row3[2]=13, Row5[1]=10, Row2[1]=39, Row5[4]=2, Row4[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [39,26]
  • [26,13,13]
  • [17,9,4,9]
  • [10,7,2,2,7]
Base
  • 10
  • 7
  • 2
  • 2
  • 7
TopValue
65
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":1,"v":7}
  • {"r":0,"c":0,"v":65}
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":0,"v":39}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":2,"v":4}