hard Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [112] → [_, 53] → [_, 28, _] → [17, _, 14, 11] → [_, 9, _, _, _]

Show answer

Answer: Row4[2]=14, Row3[3]=25, Row5[5]=2, Row5[1]=8, Row5[4]=9, Row2[1]=59, Row5[3]=5, Row3[1]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [59,53]
  • [31,28,25]
  • [17,14,14,11]
  • [8,9,5,9,2]
Base
  • 8
  • 9
  • 5
  • 9
  • 2
TopValue
112
HiddenCells
  • {"r":3,"c":1,"v":14}
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":0,"v":59}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [124] → [_, _] → [_, 31, 26] → [18, _, _, _] → [10, 8, 10, _, _]

Show answer

Answer: Row5[4]=3, Row4[2]=18, Row5[5]=10, Row4[3]=13, Row3[1]=36, Row2[2]=57, Row4[4]=13, Row2[1]=67

SubType
number-pyramid
Difficulty
hard
Levels
  • [124]
  • [67,57]
  • [36,31,26]
  • [18,18,13,13]
  • [10,8,10,3,10]
Base
  • 10
  • 8
  • 10
  • 3
  • 10
TopValue
124
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":1,"v":18}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":0,"v":36}
  • {"r":1,"c":1,"v":57}
  • {"r":3,"c":3,"v":13}
  • {"r":1,"c":0,"v":67}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [101] → [_, _] → [22, _, _] → [11, 11, 15, _] → [_, 1, 10, _, _]

Show answer

Answer: Row2[2]=53, Row3[3]=27, Row2[1]=48, Row5[4]=5, Row5[1]=10, Row5[5]=7, Row4[4]=12, Row3[2]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [48,53]
  • [22,26,27]
  • [11,11,15,12]
  • [10,1,10,5,7]
Base
  • 10
  • 1
  • 10
  • 5
  • 7
TopValue
101
HiddenCells
  • {"r":1,"c":1,"v":53}
  • {"r":2,"c":2,"v":27}
  • {"r":1,"c":0,"v":48}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":1,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 48] → [_, _, 31] → [_, _, _, 19] → [3, 2, 3, _, _]

Show answer

Answer: Row4[1]=5, Row5[4]=9, Row5[5]=10, Row3[2]=17, Row4[2]=5, Row3[1]=10, Row4[3]=12, Row1[1]=75

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [27,48]
  • [10,17,31]
  • [5,5,12,19]
  • [3,2,3,9,10]
Base
  • 3
  • 2
  • 3
  • 9
  • 10
TopValue
75
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":2,"v":12}
  • {"r":0,"c":0,"v":75}