easy Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [5, 10, 10]

Show answer

Answer: Row1[1]=35, Row2[1]=15

SubType
number-pyramid
Difficulty
easy
Levels
  • [35]
  • [15,20]
  • [5,10,10]
Base
  • 5
  • 10
  • 10
TopValue
35
HiddenCells
  • {"r":0,"c":0,"v":35}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [5, _] → [4, _, 9]

Show answer

Answer: Row2[2]=10, Row3[2]=1

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [5,10]
  • [4,1,9]
Base
  • 4
  • 1
  • 9
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"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): [33] → [18, _] → [10, 8, _]

Show answer

Answer: Row2[2]=15, Row3[3]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [33]
  • [18,15]
  • [10,8,7]
Base
  • 10
  • 8
  • 7
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":2,"v":7}

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

Show answer

Answer: Row1[1]=26, Row3[3]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [26]
  • [11,15]
  • [1,10,5]
Base
  • 1
  • 10
  • 5
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":2,"c":2,"v":5}