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): [114] → [_, _] → [_, _, 36] → [4, 12, 19, _] → [_, _, 10, 9, _]

Show answer

Answer: Row4[4]=17, Row2[1]=47, Row3[1]=16, Row2[2]=67, Row5[5]=8, Row3[2]=31, Row5[1]=2, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [114]
  • [47,67]
  • [16,31,36]
  • [4,12,19,17]
  • [2,2,10,9,8]
Base
  • 2
  • 2
  • 10
  • 9
  • 8
TopValue
114
HiddenCells
  • {"r":3,"c":3,"v":17}
  • {"r":1,"c":0,"v":47}
  • {"r":2,"c":0,"v":16}
  • {"r":1,"c":1,"v":67}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":0,"v":2}
  • {"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): [118] → [60, 58] → [_, _, _] → [13, _, _, _] → [6, 7, _, 6, _]

Show answer

Answer: Row4[4]=12, Row5[3]=9, Row4[3]=15, Row5[5]=6, Row3[2]=31, Row3[1]=29, Row3[3]=27, Row4[2]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [60,58]
  • [29,31,27]
  • [13,16,15,12]
  • [6,7,9,6,6]
Base
  • 6
  • 7
  • 9
  • 6
  • 6
TopValue
118
HiddenCells
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":1,"v":31}
  • {"r":2,"c":0,"v":29}
  • {"r":2,"c":2,"v":27}
  • {"r":3,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 34] → [_, _, 18] → [12, _, _, 9] → [9, 3, 4, _, _]

Show answer

Answer: Row3[1]=19, Row5[4]=5, Row4[2]=7, Row2[1]=35, Row5[5]=4, Row3[2]=16, Row1[1]=69, Row4[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [35,34]
  • [19,16,18]
  • [12,7,9,9]
  • [9,3,4,5,4]
Base
  • 9
  • 3
  • 4
  • 5
  • 4
TopValue
69
HiddenCells
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":0,"v":35}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":1,"v":16}
  • {"r":0,"c":0,"v":69}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 20, _] → [_, 10, 10, 14] → [3, 4, 6, _, _]

Show answer

Answer: Row1[1]=81, Row2[2]=44, Row2[1]=37, Row3[1]=17, Row4[1]=7, Row5[5]=10, Row5[4]=4, Row3[3]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [37,44]
  • [17,20,24]
  • [7,10,10,14]
  • [3,4,6,4,10]
Base
  • 3
  • 4
  • 6
  • 4
  • 10
TopValue
81
HiddenCells
  • {"r":0,"c":0,"v":81}
  • {"r":1,"c":1,"v":44}
  • {"r":1,"c":0,"v":37}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":2,"v":24}