easy Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 11] → [_, 2, 9]

Show answer

Answer: Row3[1]=6, Row1[1]=19

SubType
number-pyramid
Difficulty
easy
Levels
  • [19]
  • [8,11]
  • [6,2,9]
Base
  • 6
  • 2
  • 9
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":0,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 8] → [5, 2, _]

Show answer

Answer: Row1[1]=15, Row3[3]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [7,8]
  • [5,2,6]
Base
  • 5
  • 2
  • 6
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, 15] → [9, _, 8]

Show answer

Answer: Row3[2]=7, Row1[1]=31

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [16,15]
  • [9,7,8]
Base
  • 9
  • 7
  • 8
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"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): [18] → [_, _] → [9, 2, 5]

Show answer

Answer: Row2[2]=7, Row2[1]=11

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [11,7]
  • [9,2,5]
Base
  • 9
  • 2
  • 5
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":1,"c":0,"v":11}