hard Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [149] → [76, 73] → [_, _, _] → [_, 19, 19, 16] → [_, 10, _, _, _]

Show answer

Answer: Row5[3]=9, Row5[4]=10, Row5[1]=9, Row4[1]=19, Row3[1]=38, Row3[3]=35, Row3[2]=38, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [149]
  • [76,73]
  • [38,38,35]
  • [19,19,19,16]
  • [9,10,9,10,6]
Base
  • 9
  • 10
  • 9
  • 10
  • 6
TopValue
149
HiddenCells
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":0,"v":19}
  • {"r":2,"c":0,"v":38}
  • {"r":2,"c":2,"v":35}
  • {"r":2,"c":1,"v":38}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [148] → [71, _] → [_, _, 37] → [_, 20, _, 17] → [_, 10, _, _, 7]

Show answer

Answer: Row5[1]=1, Row3[1]=31, Row4[3]=20, Row5[4]=10, Row3[2]=40, Row4[1]=11, Row2[2]=77, Row5[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [148]
  • [71,77]
  • [31,40,37]
  • [11,20,20,17]
  • [1,10,10,10,7]
Base
  • 1
  • 10
  • 10
  • 10
  • 7
TopValue
148
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":0,"v":31}
  • {"r":3,"c":2,"v":20}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":1,"v":40}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":1,"v":77}
  • {"r":4,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [51, _] → [_, 25, _] → [_, _, _, _] → [_, 6, 7, 5, 6]

Show answer

Answer: Row3[1]=26, Row2[2]=48, Row4[4]=11, Row3[3]=23, Row4[1]=13, Row5[1]=7, Row4[2]=13, Row4[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [51,48]
  • [26,25,23]
  • [13,13,12,11]
  • [7,6,7,5,6]
Base
  • 7
  • 6
  • 7
  • 5
  • 6
TopValue
99
HiddenCells
  • {"r":2,"c":0,"v":26}
  • {"r":1,"c":1,"v":48}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 44] → [_, _, _] → [7, _, 11, 15] → [_, 4, 3, _, 7]

Show answer

Answer: Row3[3]=26, Row5[1]=3, Row5[4]=8, Row4[2]=7, Row2[1]=32, Row3[1]=14, Row3[2]=18, Row1[1]=76

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [32,44]
  • [14,18,26]
  • [7,7,11,15]
  • [3,4,3,8,7]
Base
  • 3
  • 4
  • 3
  • 8
  • 7
TopValue
76
HiddenCells
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":0,"v":32}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":1,"v":18}
  • {"r":0,"c":0,"v":76}