medium Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [24, _] → [10, _, 9] → [4, 6, _, _]

Show answer

Answer: Row4[4]=1, Row4[3]=8, Row2[2]=23, Row3[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [24,23]
  • [10,14,9]
  • [4,6,8,1]
Base
  • 4
  • 6
  • 8
  • 1
TopValue
47
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":1,"v":23}
  • {"r":2,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, 19] → [10, 7, _] → [9, _, _, 6]

Show answer

Answer: Row3[3]=12, Row4[3]=6, Row2[1]=17, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [17,19]
  • [10,7,12]
  • [9,1,6,6]
Base
  • 9
  • 1
  • 6
  • 6
TopValue
36
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":0,"v":17}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 13] → [_, 6, _] → [5, 1, 5, _]

Show answer

Answer: Row3[3]=7, Row1[1]=25, Row4[4]=2, Row3[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [12,13]
  • [6,6,7]
  • [5,1,5,2]
Base
  • 5
  • 1
  • 5
  • 2
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":0,"c":0,"v":25}
  • {"r":3,"c":3,"v":2}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, 35] → [_, _, 17] → [_, 8, 10, 7]

Show answer

Answer: Row4[1]=4, Row3[1]=12, Row1[1]=65, Row3[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [65]
  • [30,35]
  • [12,18,17]
  • [4,8,10,7]
Base
  • 4
  • 8
  • 10
  • 7
TopValue
65
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":0,"v":12}
  • {"r":0,"c":0,"v":65}
  • {"r":2,"c":1,"v":18}