hard Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [31, _, 29] → [17, _, _, 16] → [_, 7, _, 6, 10]

Show answer

Answer: Row4[3]=13, Row5[1]=10, Row5[3]=7, Row3[2]=27, Row4[2]=14, Row2[2]=56, Row2[1]=58, Row1[1]=114

SubType
number-pyramid
Difficulty
hard
Levels
  • [114]
  • [58,56]
  • [31,27,29]
  • [17,14,13,16]
  • [10,7,7,6,10]
Base
  • 10
  • 7
  • 7
  • 6
  • 10
TopValue
114
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":1,"v":14}
  • {"r":1,"c":1,"v":56}
  • {"r":1,"c":0,"v":58}
  • {"r":0,"c":0,"v":114}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [31, 29] → [18, _, _] → [_, _, _, 10] → [9, _, _, 1, _]

Show answer

Answer: Row5[3]=5, Row5[5]=9, Row3[3]=16, Row4[3]=6, Row3[2]=13, Row4[2]=7, Row4[1]=11, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [31,29]
  • [18,13,16]
  • [11,7,6,10]
  • [9,2,5,1,9]
Base
  • 9
  • 2
  • 5
  • 1
  • 9
TopValue
60
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [10, 16, 21] → [3, _, 9, 12] → [_, _, 5, _, _]

Show answer

Answer: Row1[1]=63, Row5[2]=2, Row2[2]=37, Row5[4]=4, Row2[1]=26, Row5[5]=8, Row5[1]=1, Row4[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [26,37]
  • [10,16,21]
  • [3,7,9,12]
  • [1,2,5,4,8]
Base
  • 1
  • 2
  • 5
  • 4
  • 8
TopValue
63
HiddenCells
  • {"r":0,"c":0,"v":63}
  • {"r":4,"c":1,"v":2}
  • {"r":1,"c":1,"v":37}
  • {"r":4,"c":3,"v":4}
  • {"r":1,"c":0,"v":26}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"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): [_] → [50, 45] → [_, _, 23] → [_, _, _, 12] → [10, _, 4, 7, _]

Show answer

Answer: Row4[2]=11, Row5[5]=5, Row4[3]=11, Row3[1]=28, Row1[1]=95, Row5[2]=7, Row4[1]=17, Row3[2]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [50,45]
  • [28,22,23]
  • [17,11,11,12]
  • [10,7,4,7,5]
Base
  • 10
  • 7
  • 4
  • 7
  • 5
TopValue
95
HiddenCells
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":0,"v":28}
  • {"r":0,"c":0,"v":95}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":0,"v":17}
  • {"r":2,"c":1,"v":22}