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): [90] → [_, 46] → [22, _, 24] → [_, _, 12, _] → [_, _, _, 10, 2]

Show answer

Answer: Row3[2]=22, Row5[3]=2, Row5[2]=8, Row5[1]=4, Row2[1]=44, Row4[4]=12, Row4[2]=10, Row4[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [44,46]
  • [22,22,24]
  • [12,10,12,12]
  • [4,8,2,10,2]
Base
  • 4
  • 8
  • 2
  • 10
  • 2
TopValue
90
HiddenCells
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":0,"v":4}
  • {"r":1,"c":0,"v":44}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":1,"v":10}
  • {"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): [81] → [46, 35] → [29, _, _] → [_, 11, 6, _] → [_, _, 2, _, _]

Show answer

Answer: Row3[3]=18, Row5[4]=4, Row4[1]=18, Row5[5]=8, Row5[2]=9, Row4[4]=12, Row5[1]=9, Row3[2]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [46,35]
  • [29,17,18]
  • [18,11,6,12]
  • [9,9,2,4,8]
Base
  • 9
  • 9
  • 2
  • 4
  • 8
TopValue
81
HiddenCells
  • {"r":2,"c":2,"v":18}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":0,"v":18}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [44, _] → [_, 25, 30] → [8, 11, _, _] → [_, _, _, 10, _]

Show answer

Answer: Row3[1]=19, Row5[5]=6, Row4[4]=16, Row5[3]=4, Row5[1]=1, Row2[2]=55, Row4[3]=14, Row5[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [44,55]
  • [19,25,30]
  • [8,11,14,16]
  • [1,7,4,10,6]
Base
  • 1
  • 7
  • 4
  • 10
  • 6
TopValue
99
HiddenCells
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":0,"v":1}
  • {"r":1,"c":1,"v":55}
  • {"r":3,"c":2,"v":14}
  • {"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): [36] → [_, _] → [_, _, 9] → [_, 4, 5, 4] → [_, 1, _, 2, _]

Show answer

Answer: Row5[1]=4, Row5[3]=3, Row2[1]=18, Row5[5]=2, Row4[1]=5, Row2[2]=18, Row3[2]=9, Row3[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [36]
  • [18,18]
  • [9,9,9]
  • [5,4,5,4]
  • [4,1,3,2,2]
Base
  • 4
  • 1
  • 3
  • 2
  • 2
TopValue
36
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":0,"v":18}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":9}