hard Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [_, _] → [_, 15, 22] → [_, _, 9, _] → [1, 3, 3, _, _]

Show answer

Answer: Row4[2]=6, Row2[2]=37, Row5[4]=6, Row4[4]=13, Row2[1]=25, Row5[5]=7, Row3[1]=10, Row4[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [25,37]
  • [10,15,22]
  • [4,6,9,13]
  • [1,3,3,6,7]
Base
  • 1
  • 3
  • 3
  • 6
  • 7
TopValue
62
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":1,"v":37}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":3,"v":13}
  • {"r":1,"c":0,"v":25}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [128] → [_, _] → [_, 34, _] → [_, 17, 17, _] → [2, _, 8, 9, _]

Show answer

Answer: Row4[4]=15, Row3[1]=28, Row5[5]=6, Row3[3]=32, Row5[2]=9, Row2[1]=62, Row2[2]=66, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [128]
  • [62,66]
  • [28,34,32]
  • [11,17,17,15]
  • [2,9,8,9,6]
Base
  • 2
  • 9
  • 8
  • 9
  • 6
TopValue
128
HiddenCells
  • {"r":3,"c":3,"v":15}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":2,"v":32}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":0,"v":62}
  • {"r":1,"c":1,"v":66}
  • {"r":3,"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): [_] → [39, 22] → [_, 15, 7] → [_, 11, _, _] → [5, 8, _, _, _]

Show answer

Answer: Row4[1]=13, Row4[4]=3, Row3[1]=24, Row5[3]=3, Row4[3]=4, Row1[1]=61, Row5[5]=2, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [39,22]
  • [24,15,7]
  • [13,11,4,3]
  • [5,8,3,1,2]
Base
  • 5
  • 8
  • 3
  • 1
  • 2
TopValue
61
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":0,"v":24}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":2,"v":4}
  • {"r":0,"c":0,"v":61}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [52, _] → [_, _, 20] → [_, 15, _, _] → [_, _, 9, 2, 7]

Show answer

Answer: Row4[3]=11, Row3[2]=26, Row4[4]=9, Row4[1]=11, Row2[2]=46, Row5[1]=5, Row3[1]=26, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [52,46]
  • [26,26,20]
  • [11,15,11,9]
  • [5,6,9,2,7]
Base
  • 5
  • 6
  • 9
  • 2
  • 7
TopValue
98
HiddenCells
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":1,"v":46}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":1,"v":6}