hard Set 24 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [129] → [_, _] → [32, _, _] → [_, 17, 17, _] → [6, _, 8, 9, _]

Show answer

Answer: Row3[2]=34, Row4[1]=15, Row4[4]=12, Row5[2]=9, Row5[5]=3, Row2[1]=66, Row2[2]=63, Row3[3]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [66,63]
  • [32,34,29]
  • [15,17,17,12]
  • [6,9,8,9,3]
Base
  • 6
  • 9
  • 8
  • 9
  • 3
TopValue
129
HiddenCells
  • {"r":2,"c":1,"v":34}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":4,"v":3}
  • {"r":1,"c":0,"v":66}
  • {"r":1,"c":1,"v":63}
  • {"r":2,"c":2,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [_, 19] → [27, _, _] → [_, 10, 3, _] → [_, 8, _, _, 2]

Show answer

Answer: Row4[1]=17, Row3[3]=6, Row4[4]=3, Row5[3]=2, Row5[1]=9, Row3[2]=13, Row5[4]=1, Row2[1]=40

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [40,19]
  • [27,13,6]
  • [17,10,3,3]
  • [9,8,2,1,2]
Base
  • 9
  • 8
  • 2
  • 1
  • 2
TopValue
59
HiddenCells
  • {"r":3,"c":0,"v":17}
  • {"r":2,"c":2,"v":6}
  • {"r":3,"c":3,"v":3}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":0,"v":40}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [53, _] → [_, _, _] → [14, _, 11, 11] → [9, 5, _, 2, _]

Show answer

Answer: Row3[3]=22, Row4[2]=14, Row3[1]=28, Row5[5]=9, Row2[2]=47, Row3[2]=25, Row5[3]=9, Row1[1]=100

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [53,47]
  • [28,25,22]
  • [14,14,11,11]
  • [9,5,9,2,9]
Base
  • 9
  • 5
  • 9
  • 2
  • 9
TopValue
100
HiddenCells
  • {"r":2,"c":2,"v":22}
  • {"r":3,"c":1,"v":14}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":4,"v":9}
  • {"r":1,"c":1,"v":47}
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":2,"v":9}
  • {"r":0,"c":0,"v":100}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, _] → [_, 13, _] → [12, _, 10, _] → [10, 2, 1, _, _]

Show answer

Answer: Row4[2]=3, Row3[3]=24, Row1[1]=65, Row3[1]=15, Row2[2]=37, Row4[4]=14, Row5[4]=9, Row5[5]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [28,37]
  • [15,13,24]
  • [12,3,10,14]
  • [10,2,1,9,5]
Base
  • 10
  • 2
  • 1
  • 9
  • 5
TopValue
65
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":2,"v":24}
  • {"r":0,"c":0,"v":65}
  • {"r":2,"c":0,"v":15}
  • {"r":1,"c":1,"v":37}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":4,"v":5}