hard Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [120] → [_, _] → [_, _, 33] → [_, 14, _, 15] → [_, 5, 9, 9, _]

Show answer

Answer: Row4[3]=18, Row2[2]=65, Row4[1]=9, Row3[1]=23, Row5[1]=4, Row3[2]=32, Row2[1]=55, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [120]
  • [55,65]
  • [23,32,33]
  • [9,14,18,15]
  • [4,5,9,9,6]
Base
  • 4
  • 5
  • 9
  • 9
  • 6
TopValue
120
HiddenCells
  • {"r":3,"c":2,"v":18}
  • {"r":1,"c":1,"v":65}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":1,"v":32}
  • {"r":1,"c":0,"v":55}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [69] → [_, 33] → [17, _, _] → [6, 11, _, 6] → [_, _, 7, _, _]

Show answer

Answer: Row3[2]=19, Row4[3]=8, Row5[1]=2, Row5[4]=1, Row3[3]=14, Row5[5]=5, Row5[2]=4, Row2[1]=36

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [36,33]
  • [17,19,14]
  • [6,11,8,6]
  • [2,4,7,1,5]
Base
  • 2
  • 4
  • 7
  • 1
  • 5
TopValue
69
HiddenCells
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":0,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, 50] → [24, _, _] → [13, 11, _, _] → [7, 6, _, _, _]

Show answer

Answer: Row4[4]=11, Row1[1]=99, Row4[3]=14, Row3[2]=25, Row3[3]=25, Row5[3]=5, Row5[5]=2, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [49,50]
  • [24,25,25]
  • [13,11,14,11]
  • [7,6,5,9,2]
Base
  • 7
  • 6
  • 5
  • 9
  • 2
TopValue
99
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":0,"c":0,"v":99}
  • {"r":3,"c":2,"v":14}
  • {"r":2,"c":1,"v":25}
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [91] → [_, _] → [_, _, 18] → [14, 13, _, _] → [5, _, _, 6, 2]

Show answer

Answer: Row5[3]=4, Row4[4]=8, Row3[2]=23, Row2[2]=41, Row2[1]=50, Row5[2]=9, Row4[3]=10, Row3[1]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [50,41]
  • [27,23,18]
  • [14,13,10,8]
  • [5,9,4,6,2]
Base
  • 5
  • 9
  • 4
  • 6
  • 2
TopValue
91
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":1,"v":23}
  • {"r":1,"c":1,"v":41}
  • {"r":1,"c":0,"v":50}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":0,"v":27}