hard Set 19 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [17, _] → [6, 11, _] → [4, _, _, _] → [3, _, _, _, 9]

Show answer

Answer: Row3[3]=26, Row4[2]=2, Row5[4]=8, Row4[4]=17, Row2[2]=37, Row4[3]=9, Row5[3]=1, Row5[2]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [17,37]
  • [6,11,26]
  • [4,2,9,17]
  • [3,1,1,8,9]
Base
  • 3
  • 1
  • 1
  • 8
  • 9
TopValue
54
HiddenCells
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":1,"v":2}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":3,"v":17}
  • {"r":1,"c":1,"v":37}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 20] → [_, 13, 12, _] → [8, _, 5, 7, 1]

Show answer

Answer: Row1[1]=99, Row2[1]=54, Row3[2]=25, Row5[2]=8, Row4[1]=16, Row3[1]=29, Row2[2]=45, Row4[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [54,45]
  • [29,25,20]
  • [16,13,12,8]
  • [8,8,5,7,1]
Base
  • 8
  • 8
  • 5
  • 7
  • 1
TopValue
99
HiddenCells
  • {"r":0,"c":0,"v":99}
  • {"r":1,"c":0,"v":54}
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":0,"v":16}
  • {"r":2,"c":0,"v":29}
  • {"r":1,"c":1,"v":45}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 54] → [19, _, 30] → [11, 8, 16, 14] → [_, _, _, _, _]

Show answer

Answer: Row5[4]=9, Row5[5]=5, Row5[3]=7, Row2[1]=43, Row5[1]=10, Row1[1]=97, Row5[2]=1, Row3[2]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [43,54]
  • [19,24,30]
  • [11,8,16,14]
  • [10,1,7,9,5]
Base
  • 10
  • 1
  • 7
  • 9
  • 5
TopValue
97
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":2,"v":7}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":0,"v":10}
  • {"r":0,"c":0,"v":97}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, _] → [_, 23, _] → [5, _, 12, _] → [4, 1, 10, _, _]

Show answer

Answer: Row5[5]=1, Row4[4]=3, Row1[1]=77, Row4[2]=11, Row3[1]=16, Row5[4]=2, Row2[2]=38, Row3[3]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [39,38]
  • [16,23,15]
  • [5,11,12,3]
  • [4,1,10,2,1]
Base
  • 4
  • 1
  • 10
  • 2
  • 1
TopValue
77
HiddenCells
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":3,"v":3}
  • {"r":0,"c":0,"v":77}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":2,"v":15}