hard Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [_, 27] → [_, 13, _] → [_, _, _, 7] → [_, 3, 3, _, 3]

Show answer

Answer: Row4[2]=6, Row4[3]=7, Row4[1]=8, Row3[3]=14, Row2[1]=27, Row3[1]=14, Row5[1]=5, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [27,27]
  • [14,13,14]
  • [8,6,7,7]
  • [5,3,3,4,3]
Base
  • 5
  • 3
  • 3
  • 4
  • 3
TopValue
54
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":2,"v":14}
  • {"r":1,"c":0,"v":27}
  • {"r":2,"c":0,"v":14}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [_, _] → [_, _, 17] → [15, 13, 7, _] → [_, 7, 6, _, _]

Show answer

Answer: Row5[5]=9, Row3[1]=28, Row3[2]=20, Row5[4]=1, Row4[4]=10, Row2[2]=37, Row2[1]=48, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [48,37]
  • [28,20,17]
  • [15,13,7,10]
  • [8,7,6,1,9]
Base
  • 8
  • 7
  • 6
  • 1
  • 9
TopValue
85
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":0,"v":28}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":37}
  • {"r":1,"c":0,"v":48}
  • {"r":4,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [_, 30] → [_, 18, _] → [_, 11, 7, _] → [_, _, 6, _, 4]

Show answer

Answer: Row5[1]=9, Row4[4]=5, Row5[2]=5, Row4[1]=14, Row3[1]=25, Row3[3]=12, Row5[4]=1, Row2[1]=43

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [43,30]
  • [25,18,12]
  • [14,11,7,5]
  • [9,5,6,1,4]
Base
  • 9
  • 5
  • 6
  • 1
  • 4
TopValue
73
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":2,"v":12}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":0,"v":43}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [76] → [_, _] → [20, _, _] → [14, 6, _, 11] → [_, _, 2, _, 2]

Show answer

Answer: Row3[3]=22, Row5[4]=9, Row4[3]=11, Row5[1]=10, Row2[2]=39, Row5[2]=4, Row3[2]=17, Row2[1]=37

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [37,39]
  • [20,17,22]
  • [14,6,11,11]
  • [10,4,2,9,2]
Base
  • 10
  • 4
  • 2
  • 9
  • 2
TopValue
76
HiddenCells
  • {"r":2,"c":2,"v":22}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":1,"v":39}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":1,"v":17}
  • {"r":1,"c":0,"v":37}