hard Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, 48] → [14, 22, 26] → [_, _, _, 13] → [_, _, _, _, 6]

Show answer

Answer: Row5[2]=3, Row1[1]=84, Row5[4]=7, Row5[1]=2, Row4[3]=13, Row5[3]=6, Row4[2]=9, Row4[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [36,48]
  • [14,22,26]
  • [5,9,13,13]
  • [2,3,6,7,6]
Base
  • 2
  • 3
  • 6
  • 7
  • 6
TopValue
84
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":0,"c":0,"v":84}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 27] → [19, 12, _] → [_, _, 5, _] → [_, _, 4, 1, 9]

Show answer

Answer: Row5[2]=3, Row3[3]=15, Row4[1]=12, Row1[1]=58, Row2[1]=31, Row4[2]=7, Row5[1]=9, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [31,27]
  • [19,12,15]
  • [12,7,5,10]
  • [9,3,4,1,9]
Base
  • 9
  • 3
  • 4
  • 1
  • 9
TopValue
58
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":0,"v":12}
  • {"r":0,"c":0,"v":58}
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":1,"v":7}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [_, _] → [30, 29, 17] → [_, 18, 11, _] → [2, _, _, _, _]

Show answer

Answer: Row2[2]=46, Row5[2]=10, Row5[4]=3, Row2[1]=59, Row5[3]=8, Row4[4]=6, Row4[1]=12, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [59,46]
  • [30,29,17]
  • [12,18,11,6]
  • [2,10,8,3,3]
Base
  • 2
  • 10
  • 8
  • 3
  • 3
TopValue
105
HiddenCells
  • {"r":1,"c":1,"v":46}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":0,"v":59}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [12, 12, _] → [5, 7, _, _] → [1, 4, _, 2, _]

Show answer

Answer: Row2[1]=24, Row5[3]=3, Row4[4]=3, Row2[2]=20, Row4[3]=5, Row1[1]=44, Row3[3]=8, Row5[5]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [44]
  • [24,20]
  • [12,12,8]
  • [5,7,5,3]
  • [1,4,3,2,1]
Base
  • 1
  • 4
  • 3
  • 2
  • 1
TopValue
44
HiddenCells
  • {"r":1,"c":0,"v":24}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":1,"v":20}
  • {"r":3,"c":2,"v":5}
  • {"r":0,"c":0,"v":44}
  • {"r":2,"c":2,"v":8}
  • {"r":4,"c":4,"v":1}