hard Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [37, 37] → [_, 19, 18] → [_, _, _, _] → [_, 2, _, _, 5]

Show answer

Answer: Row5[3]=7, Row4[2]=9, Row4[1]=9, Row5[4]=3, Row4[4]=8, Row3[1]=18, Row4[3]=10, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [37,37]
  • [18,19,18]
  • [9,9,10,8]
  • [7,2,7,3,5]
Base
  • 7
  • 2
  • 7
  • 3
  • 5
TopValue
74
HiddenCells
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [_, 45] → [_, _, _] → [5, _, 12, _] → [3, 2, 4, _, _]

Show answer

Answer: Row3[2]=18, Row5[4]=8, Row2[1]=29, Row3[1]=11, Row5[5]=7, Row3[3]=27, Row4[2]=6, Row4[4]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [29,45]
  • [11,18,27]
  • [5,6,12,15]
  • [3,2,4,8,7]
Base
  • 3
  • 2
  • 4
  • 8
  • 7
TopValue
74
HiddenCells
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":0,"v":29}
  • {"r":2,"c":0,"v":11}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":2,"v":27}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":3,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [54, _] → [_, _, 22] → [_, _, 14, 8] → [_, 6, 8, _, _]

Show answer

Answer: Row3[2]=28, Row5[1]=6, Row5[4]=6, Row3[1]=26, Row2[2]=50, Row4[2]=14, Row5[5]=2, Row4[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [54,50]
  • [26,28,22]
  • [12,14,14,8]
  • [6,6,8,6,2]
Base
  • 6
  • 6
  • 8
  • 6
  • 2
TopValue
104
HiddenCells
  • {"r":2,"c":1,"v":28}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":0,"v":26}
  • {"r":1,"c":1,"v":50}
  • {"r":3,"c":1,"v":14}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [56, 36] → [_, _, _] → [17, _, 7, 6] → [7, _, _, _, _]

Show answer

Answer: Row3[2]=23, Row3[1]=33, Row5[3]=6, Row5[2]=10, Row5[5]=5, Row5[4]=1, Row3[3]=13, Row4[2]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [56,36]
  • [33,23,13]
  • [17,16,7,6]
  • [7,10,6,1,5]
Base
  • 7
  • 10
  • 6
  • 1
  • 5
TopValue
92
HiddenCells
  • {"r":2,"c":1,"v":23}
  • {"r":2,"c":0,"v":33}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":1,"v":16}