hard Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, 39] → [_, 20, _] → [7, _, _, 9] → [_, _, 4, _, 3]

Show answer

Answer: Row3[1]=17, Row3[3]=19, Row4[2]=10, Row1[1]=76, Row5[4]=6, Row5[1]=1, Row4[3]=10, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [37,39]
  • [17,20,19]
  • [7,10,10,9]
  • [1,6,4,6,3]
Base
  • 1
  • 6
  • 4
  • 6
  • 3
TopValue
76
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":76}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":2,"v":10}
  • {"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): [124] → [_, _] → [34, 31, _] → [17, _, _, _] → [9, _, 9, _, 9]

Show answer

Answer: Row2[1]=65, Row4[2]=17, Row4[3]=14, Row4[4]=14, Row2[2]=59, Row3[3]=28, Row5[2]=8, Row5[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [124]
  • [65,59]
  • [34,31,28]
  • [17,17,14,14]
  • [9,8,9,5,9]
Base
  • 9
  • 8
  • 9
  • 5
  • 9
TopValue
124
HiddenCells
  • {"r":1,"c":0,"v":65}
  • {"r":3,"c":1,"v":17}
  • {"r":3,"c":2,"v":14}
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":1,"v":59}
  • {"r":2,"c":2,"v":28}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [_, _] → [_, 19, _] → [12, _, _, _] → [10, 2, 7, 3, _]

Show answer

Answer: Row4[3]=10, Row5[5]=9, Row3[3]=22, Row2[1]=40, Row4[2]=9, Row3[1]=21, Row2[2]=41, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [40,41]
  • [21,19,22]
  • [12,9,10,12]
  • [10,2,7,3,9]
Base
  • 10
  • 2
  • 7
  • 3
  • 9
TopValue
81
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":2,"v":22}
  • {"r":1,"c":0,"v":40}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":21}
  • {"r":1,"c":1,"v":41}
  • {"r":3,"c":3,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [113] → [_, _] → [_, 31, _] → [11, _, 16, _] → [6, 5, _, _, 3]

Show answer

Answer: Row5[3]=10, Row4[2]=15, Row4[4]=9, Row3[1]=26, Row5[4]=6, Row2[1]=57, Row2[2]=56, Row3[3]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [113]
  • [57,56]
  • [26,31,25]
  • [11,15,16,9]
  • [6,5,10,6,3]
Base
  • 6
  • 5
  • 10
  • 6
  • 3
TopValue
113
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":3,"v":6}
  • {"r":1,"c":0,"v":57}
  • {"r":1,"c":1,"v":56}
  • {"r":2,"c":2,"v":25}