hard Set 35 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [109] → [_, 60] → [22, _, _] → [12, _, 17, _] → [10, 2, _, _, _]

Show answer

Answer: Row5[3]=8, Row4[2]=10, Row3[3]=33, Row2[1]=49, Row4[4]=16, Row5[5]=7, Row5[4]=9, Row3[2]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [49,60]
  • [22,27,33]
  • [12,10,17,16]
  • [10,2,8,9,7]
Base
  • 10
  • 2
  • 8
  • 9
  • 7
TopValue
109
HiddenCells
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":2,"v":33}
  • {"r":1,"c":0,"v":49}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":1,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, 20] → [_, 14, _] → [10, _, 4, _] → [_, 7, _, 1, _]

Show answer

Answer: Row5[3]=3, Row5[5]=1, Row3[1]=20, Row3[3]=6, Row1[1]=54, Row4[2]=10, Row4[4]=2, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [34,20]
  • [20,14,6]
  • [10,10,4,2]
  • [3,7,3,1,1]
Base
  • 3
  • 7
  • 3
  • 1
  • 1
TopValue
54
HiddenCells
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":4,"v":1}
  • {"r":2,"c":0,"v":20}
  • {"r":2,"c":2,"v":6}
  • {"r":0,"c":0,"v":54}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":3,"v":2}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [69] → [30, _] → [_, _, 21] → [_, 8, _, _] → [_, 1, 7, _, 8]

Show answer

Answer: Row4[3]=10, Row4[1]=4, Row5[1]=3, Row4[4]=11, Row5[4]=3, Row2[2]=39, Row3[1]=12, Row3[2]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [30,39]
  • [12,18,21]
  • [4,8,10,11]
  • [3,1,7,3,8]
Base
  • 3
  • 1
  • 7
  • 3
  • 8
TopValue
69
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":0,"v":4}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":39}
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [_, 35] → [35, _, _] → [_, _, _, 6] → [10, 10, _, 2, _]

Show answer

Answer: Row4[3]=7, Row4[2]=15, Row3[2]=22, Row5[5]=4, Row4[1]=20, Row5[3]=5, Row2[1]=57, Row3[3]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [57,35]
  • [35,22,13]
  • [20,15,7,6]
  • [10,10,5,2,4]
Base
  • 10
  • 10
  • 5
  • 2
  • 4
TopValue
92
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":1,"v":15}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":0,"v":20}
  • {"r":4,"c":2,"v":5}
  • {"r":1,"c":0,"v":57}
  • {"r":2,"c":2,"v":13}