easy Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, _] → [1, 7, 10]

Show answer

Answer: Row2[2]=17, Row2[1]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [8,17]
  • [1,7,10]
Base
  • 1
  • 7
  • 10
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":1,"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): [31] → [_, _] → [3, 10, 8]

Show answer

Answer: Row2[1]=13, Row2[2]=18

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [13,18]
  • [3,10,8]
Base
  • 3
  • 10
  • 8
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 9] → [_, 8, 1]

Show answer

Answer: Row1[1]=19, Row3[1]=2

SubType
number-pyramid
Difficulty
easy
Levels
  • [19]
  • [10,9]
  • [2,8,1]
Base
  • 2
  • 8
  • 1
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [12, _] → [6, _, 9]

Show answer

Answer: Row3[2]=6, Row2[2]=15

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [12,15]
  • [6,6,9]
Base
  • 6
  • 6
  • 9
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":1,"v":15}