hard Set 13 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, _] → [20, 17, _] → [12, 8, _, _] → [_, _, 2, _, 10]

Show answer

Answer: Row5[2]=6, Row2[2]=43, Row2[1]=37, Row5[4]=7, Row5[1]=6, Row3[3]=26, Row4[3]=9, Row4[4]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [37,43]
  • [20,17,26]
  • [12,8,9,17]
  • [6,6,2,7,10]
Base
  • 6
  • 6
  • 2
  • 7
  • 10
TopValue
80
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":1,"c":1,"v":43}
  • {"r":1,"c":0,"v":37}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":2,"v":9}
  • {"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): [60] → [_, _] → [_, _, _] → [12, 8, _, _] → [6, _, 2, 3, 6]

Show answer

Answer: Row2[1]=33, Row3[1]=20, Row2[2]=27, Row3[3]=14, Row4[4]=9, Row3[2]=13, Row4[3]=5, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [33,27]
  • [20,13,14]
  • [12,8,5,9]
  • [6,6,2,3,6]
Base
  • 6
  • 6
  • 2
  • 3
  • 6
TopValue
60
HiddenCells
  • {"r":1,"c":0,"v":33}
  • {"r":2,"c":0,"v":20}
  • {"r":1,"c":1,"v":27}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [41, _] → [20, 21, _] → [_, _, _, _] → [_, _, 2, 10, 1]

Show answer

Answer: Row4[2]=9, Row2[2]=44, Row4[4]=11, Row5[1]=4, Row4[3]=12, Row3[3]=23, Row4[1]=11, Row5[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [41,44]
  • [20,21,23]
  • [11,9,12,11]
  • [4,7,2,10,1]
Base
  • 4
  • 7
  • 2
  • 10
  • 1
TopValue
85
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":44}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, 45] → [18, _, 23] → [9, _, _, 10] → [4, _, _, _, _]

Show answer

Answer: Row5[4]=9, Row4[3]=13, Row1[1]=85, Row5[5]=1, Row5[2]=5, Row4[2]=9, Row3[2]=22, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [40,45]
  • [18,22,23]
  • [9,9,13,10]
  • [4,5,4,9,1]
Base
  • 4
  • 5
  • 4
  • 9
  • 1
TopValue
85
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":2,"v":13}
  • {"r":0,"c":0,"v":85}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":2,"v":4}