hard Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [_, _] → [34, _, _] → [20, 14, _, 4] → [10, _, _, _, 3]

Show answer

Answer: Row3[2]=19, Row5[2]=10, Row2[2]=28, Row4[3]=5, Row3[3]=9, Row2[1]=53, Row5[3]=4, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [53,28]
  • [34,19,9]
  • [20,14,5,4]
  • [10,10,4,1,3]
Base
  • 10
  • 10
  • 4
  • 1
  • 3
TopValue
81
HiddenCells
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":1,"v":28}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":0,"v":53}
  • {"r":4,"c":2,"v":4}
  • {"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): [135] → [_, 67] → [_, _, 32] → [16, _, _, _] → [9, _, 10, 8, _]

Show answer

Answer: Row4[2]=17, Row5[5]=6, Row4[4]=14, Row5[2]=7, Row3[1]=33, Row2[1]=68, Row4[3]=18, Row3[2]=35

SubType
number-pyramid
Difficulty
hard
Levels
  • [135]
  • [68,67]
  • [33,35,32]
  • [16,17,18,14]
  • [9,7,10,8,6]
Base
  • 9
  • 7
  • 10
  • 8
  • 6
TopValue
135
HiddenCells
  • {"r":3,"c":1,"v":17}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":0,"v":33}
  • {"r":1,"c":0,"v":68}
  • {"r":3,"c":2,"v":18}
  • {"r":2,"c":1,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [83] → [_, _] → [21, 23, _] → [_, 12, 11, 5] → [_, _, _, _, 4]

Show answer

Answer: Row2[1]=44, Row2[2]=39, Row5[1]=7, Row3[3]=16, Row5[4]=1, Row5[3]=10, Row5[2]=2, Row4[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [44,39]
  • [21,23,16]
  • [9,12,11,5]
  • [7,2,10,1,4]
Base
  • 7
  • 2
  • 10
  • 1
  • 4
TopValue
83
HiddenCells
  • {"r":1,"c":0,"v":44}
  • {"r":1,"c":1,"v":39}
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":2,"v":16}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [_, _] → [24, 22, 24] → [12, 12, _, _] → [_, _, _, 4, _]

Show answer

Answer: Row4[4]=14, Row2[1]=46, Row2[2]=46, Row5[1]=6, Row5[3]=6, Row5[5]=10, Row4[3]=10, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [46,46]
  • [24,22,24]
  • [12,12,10,14]
  • [6,6,6,4,10]
Base
  • 6
  • 6
  • 6
  • 4
  • 10
TopValue
92
HiddenCells
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":0,"v":46}
  • {"r":1,"c":1,"v":46}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":1,"v":6}