hard Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [_, _] → [5, _, 18] → [3, _, _, _] → [2, 1, 1, _, _]

Show answer

Answer: Row2[1]=15, Row4[2]=2, Row5[4]=7, Row4[3]=8, Row5[5]=3, Row3[2]=10, Row4[4]=10, Row2[2]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [43]
  • [15,28]
  • [5,10,18]
  • [3,2,8,10]
  • [2,1,1,7,3]
Base
  • 2
  • 1
  • 1
  • 7
  • 3
TopValue
43
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":3,"c":1,"v":2}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, _] → [_, _, 26] → [_, 6, _, _] → [8, 5, _, 8, 9]

Show answer

Answer: Row1[1]=75, Row4[1]=13, Row3[1]=19, Row4[3]=9, Row3[2]=15, Row2[2]=41, Row5[3]=1, Row4[4]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [34,41]
  • [19,15,26]
  • [13,6,9,17]
  • [8,5,1,8,9]
Base
  • 8
  • 5
  • 1
  • 8
  • 9
TopValue
75
HiddenCells
  • {"r":0,"c":0,"v":75}
  • {"r":3,"c":0,"v":13}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":1,"v":15}
  • {"r":1,"c":1,"v":41}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":3,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [41, _] → [_, _, 28] → [5, _, 16, 12] → [_, 4, 6, _, _]

Show answer

Answer: Row3[1]=15, Row5[5]=2, Row5[4]=10, Row4[2]=10, Row1[1]=95, Row5[1]=1, Row3[2]=26, Row2[2]=54

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [41,54]
  • [15,26,28]
  • [5,10,16,12]
  • [1,4,6,10,2]
Base
  • 1
  • 4
  • 6
  • 10
  • 2
TopValue
95
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":95}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":1,"v":26}
  • {"r":1,"c":1,"v":54}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [86] → [43, _] → [_, _, _] → [7, _, _, _] → [2, 5, _, 2, 8]

Show answer

Answer: Row4[4]=10, Row3[2]=23, Row4[3]=10, Row5[3]=8, Row3[1]=20, Row3[3]=20, Row4[2]=13, Row2[2]=43

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [43,43]
  • [20,23,20]
  • [7,13,10,10]
  • [2,5,8,2,8]
Base
  • 2
  • 5
  • 8
  • 2
  • 8
TopValue
86
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":1,"v":23}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":0,"v":20}
  • {"r":2,"c":2,"v":20}
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":1,"v":43}