easy Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 14] → [7, 10, 4]

Show answer

Answer: Row2[1]=17, Row1[1]=31

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [17,14]
  • [7,10,4]
Base
  • 7
  • 10
  • 4
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":0,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [10, 11] → [_, _, 9]

Show answer

Answer: Row3[2]=2, Row3[1]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [10,11]
  • [8,2,9]
Base
  • 8
  • 2
  • 9
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [4, 8, 8]

Show answer

Answer: Row2[2]=16, Row1[1]=28

SubType
number-pyramid
Difficulty
easy
Levels
  • [28]
  • [12,16]
  • [4,8,8]
Base
  • 4
  • 8
  • 8
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [16, _] → [_, 9, 9]

Show answer

Answer: Row3[1]=7, Row2[2]=18

SubType
number-pyramid
Difficulty
easy
Levels
  • [34]
  • [16,18]
  • [7,9,9]
Base
  • 7
  • 9
  • 9
TopValue
34
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":1,"v":18}