hard Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [38, _] → [22, 16, 11] → [13, 9, _, _] → [_, _, _, _, 1]

Show answer

Answer: Row5[2]=5, Row4[3]=7, Row2[2]=27, Row5[3]=4, Row4[4]=4, Row5[1]=8, Row1[1]=65, Row5[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [38,27]
  • [22,16,11]
  • [13,9,7,4]
  • [8,5,4,3,1]
Base
  • 8
  • 5
  • 4
  • 3
  • 1
TopValue
65
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":1,"v":27}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":3,"v":4}
  • {"r":4,"c":0,"v":8}
  • {"r":0,"c":0,"v":65}
  • {"r":4,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [_, 16, 12] → [3, 8, _, _] → [_, _, 6, 2, _]

Show answer

Answer: Row1[1]=55, Row5[5]=2, Row5[2]=2, Row2[2]=28, Row4[3]=8, Row5[1]=1, Row4[4]=4, Row3[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [27,28]
  • [11,16,12]
  • [3,8,8,4]
  • [1,2,6,2,2]
Base
  • 1
  • 2
  • 6
  • 2
  • 2
TopValue
55
HiddenCells
  • {"r":0,"c":0,"v":55}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":1,"v":2}
  • {"r":1,"c":1,"v":28}
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [_, _] → [_, _, _] → [6, _, _, 11] → [_, 5, 10, 4, 7]

Show answer

Answer: Row3[1]=21, Row3[2]=29, Row5[1]=1, Row4[3]=14, Row3[3]=25, Row2[1]=50, Row2[2]=54, Row4[2]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [50,54]
  • [21,29,25]
  • [6,15,14,11]
  • [1,5,10,4,7]
Base
  • 1
  • 5
  • 10
  • 4
  • 7
TopValue
104
HiddenCells
  • {"r":2,"c":0,"v":21}
  • {"r":2,"c":1,"v":29}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":2,"v":14}
  • {"r":2,"c":2,"v":25}
  • {"r":1,"c":0,"v":50}
  • {"r":1,"c":1,"v":54}
  • {"r":3,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [41, 38] → [_, _, 21] → [_, 10, _, _] → [_, _, _, 6, 8]

Show answer

Answer: Row3[1]=24, Row5[1]=5, Row4[1]=14, Row4[3]=7, Row5[2]=9, Row3[2]=17, Row5[3]=1, Row4[4]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [41,38]
  • [24,17,21]
  • [14,10,7,14]
  • [5,9,1,6,8]
Base
  • 5
  • 9
  • 1
  • 6
  • 8
TopValue
79
HiddenCells
  • {"r":2,"c":0,"v":24}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":0,"v":14}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":3,"v":14}