hard Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [27, 27, _] → [_, 16, 11, _] → [2, 9, _, _, 10]

Show answer

Answer: Row4[4]=14, Row5[4]=4, Row3[3]=25, Row4[1]=11, Row5[3]=7, Row1[1]=106, Row2[2]=52, Row2[1]=54

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [54,52]
  • [27,27,25]
  • [11,16,11,14]
  • [2,9,7,4,10]
Base
  • 2
  • 9
  • 7
  • 4
  • 10
TopValue
106
HiddenCells
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":2,"v":7}
  • {"r":0,"c":0,"v":106}
  • {"r":1,"c":1,"v":52}
  • {"r":1,"c":0,"v":54}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, 38] → [_, _, _] → [13, 11, _, _] → [6, 7, _, _, 10]

Show answer

Answer: Row4[4]=13, Row3[3]=20, Row3[1]=24, Row1[1]=80, Row5[3]=4, Row5[4]=3, Row4[3]=7, Row3[2]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [42,38]
  • [24,18,20]
  • [13,11,7,13]
  • [6,7,4,3,10]
Base
  • 6
  • 7
  • 4
  • 3
  • 10
TopValue
80
HiddenCells
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":2,"v":20}
  • {"r":2,"c":0,"v":24}
  • {"r":0,"c":0,"v":80}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 45] → [_, _, 20] → [10, 15, 10, _] → [1, _, 6, _, _]

Show answer

Answer: Row5[2]=9, Row5[5]=6, Row5[4]=4, Row4[4]=10, Row2[1]=50, Row1[1]=95, Row3[1]=25, Row3[2]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [50,45]
  • [25,25,20]
  • [10,15,10,10]
  • [1,9,6,4,6]
Base
  • 1
  • 9
  • 6
  • 4
  • 6
TopValue
95
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":0,"v":50}
  • {"r":0,"c":0,"v":95}
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":1,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [52, _] → [_, 25, 21] → [11, _, 9, _] → [1, _, _, _, 9]

Show answer

Answer: Row5[4]=3, Row2[2]=46, Row3[1]=27, Row5[2]=10, Row5[3]=6, Row1[1]=98, Row4[4]=12, Row4[2]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [52,46]
  • [27,25,21]
  • [11,16,9,12]
  • [1,10,6,3,9]
Base
  • 1
  • 10
  • 6
  • 3
  • 9
TopValue
98
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":46}
  • {"r":2,"c":0,"v":27}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":2,"v":6}
  • {"r":0,"c":0,"v":98}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":1,"v":16}