hard Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [45, _] → [_, _, _] → [_, 13, 8, _] → [4, _, 6, 2, _]

Show answer

Answer: Row3[3]=18, Row4[1]=11, Row5[2]=7, Row5[5]=8, Row3[1]=24, Row4[4]=10, Row3[2]=21, Row2[2]=39

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [45,39]
  • [24,21,18]
  • [11,13,8,10]
  • [4,7,6,2,8]
Base
  • 4
  • 7
  • 6
  • 2
  • 8
TopValue
84
HiddenCells
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":0,"v":24}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":1,"v":21}
  • {"r":1,"c":1,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [4, 6, 11] → [_, _, 4, _] → [_, 1, _, 3, 4]

Show answer

Answer: Row2[2]=17, Row5[1]=1, Row2[1]=10, Row4[2]=2, Row4[1]=2, Row1[1]=27, Row5[3]=1, Row4[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [27]
  • [10,17]
  • [4,6,11]
  • [2,2,4,7]
  • [1,1,1,3,4]
Base
  • 1
  • 1
  • 1
  • 3
  • 4
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":4,"c":0,"v":1}
  • {"r":1,"c":0,"v":10}
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":0,"v":2}
  • {"r":0,"c":0,"v":27}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [_, 27] → [18, _, _] → [_, _, 5, _] → [2, 7, 2, _, _]

Show answer

Answer: Row4[4]=8, Row4[1]=9, Row2[1]=32, Row5[4]=3, Row3[2]=14, Row5[5]=5, Row3[3]=13, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [32,27]
  • [18,14,13]
  • [9,9,5,8]
  • [2,7,2,3,5]
Base
  • 2
  • 7
  • 2
  • 3
  • 5
TopValue
59
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":0,"v":32}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":1,"v":14}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 43] → [_, 18, 25] → [3, _, _, 13] → [2, 1, _, _, _]

Show answer

Answer: Row5[3]=5, Row1[1]=70, Row4[3]=12, Row5[4]=7, Row3[1]=9, Row5[5]=6, Row2[1]=27, Row4[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [27,43]
  • [9,18,25]
  • [3,6,12,13]
  • [2,1,5,7,6]
Base
  • 2
  • 1
  • 5
  • 7
  • 6
TopValue
70
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":0,"c":0,"v":70}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":0,"v":9}
  • {"r":4,"c":4,"v":6}
  • {"r":1,"c":0,"v":27}
  • {"r":3,"c":1,"v":6}