hard Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [72] → [39, _] → [22, _, _] → [_, 9, _, _] → [_, 4, 5, _, 5]

Show answer

Answer: Row3[2]=17, Row5[4]=3, Row3[3]=16, Row4[3]=8, Row4[1]=13, Row4[4]=8, Row5[1]=9, Row2[2]=33

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [39,33]
  • [22,17,16]
  • [13,9,8,8]
  • [9,4,5,3,5]
Base
  • 9
  • 4
  • 5
  • 3
  • 5
TopValue
72
HiddenCells
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":0,"v":9}
  • {"r":1,"c":1,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [112] → [_, _] → [33, 25, 29] → [20, 13, _, _] → [_, _, 3, _, _]

Show answer

Answer: Row2[1]=58, Row5[1]=10, Row2[2]=54, Row5[4]=9, Row4[3]=12, Row5[5]=8, Row4[4]=17, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [58,54]
  • [33,25,29]
  • [20,13,12,17]
  • [10,10,3,9,8]
Base
  • 10
  • 10
  • 3
  • 9
  • 8
TopValue
112
HiddenCells
  • {"r":1,"c":0,"v":58}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":1,"v":54}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [132] → [_, _] → [29, _, 31] → [_, 18, 18, 13] → [_, _, _, _, 4]

Show answer

Answer: Row5[4]=9, Row5[3]=9, Row4[1]=11, Row2[1]=65, Row5[2]=9, Row5[1]=2, Row3[2]=36, Row2[2]=67

SubType
number-pyramid
Difficulty
hard
Levels
  • [132]
  • [65,67]
  • [29,36,31]
  • [11,18,18,13]
  • [2,9,9,9,4]
Base
  • 2
  • 9
  • 9
  • 9
  • 4
TopValue
132
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":0,"v":65}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":0,"v":2}
  • {"r":2,"c":1,"v":36}
  • {"r":1,"c":1,"v":67}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [_, _] → [_, _, _] → [10, 8, _, 2] → [5, 5, 3, _, _]

Show answer

Answer: Row2[1]=30, Row5[4]=1, Row4[3]=4, Row3[1]=18, Row2[2]=18, Row5[5]=1, Row3[3]=6, Row3[2]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [48]
  • [30,18]
  • [18,12,6]
  • [10,8,4,2]
  • [5,5,3,1,1]
Base
  • 5
  • 5
  • 3
  • 1
  • 1
TopValue
48
HiddenCells
  • {"r":1,"c":0,"v":30}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":0,"v":18}
  • {"r":1,"c":1,"v":18}
  • {"r":4,"c":4,"v":1}
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":1,"v":12}