easy Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [7, 6, 2]

Show answer

Answer: Row1[1]=21, Row2[2]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [13,8]
  • [7,6,2]
Base
  • 7
  • 6
  • 2
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [7, 14] → [_, 5, _]

Show answer

Answer: Row3[1]=2, Row3[3]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [7,14]
  • [2,5,9]
Base
  • 2
  • 5
  • 9
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [6, 12] → [_, 3, _]

Show answer

Answer: Row3[3]=9, Row3[1]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [6,12]
  • [3,3,9]
Base
  • 3
  • 3
  • 9
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 9] → [5, _, 7]

Show answer

Answer: Row3[2]=2, Row1[1]=16

SubType
number-pyramid
Difficulty
easy
Levels
  • [16]
  • [7,9]
  • [5,2,7]
Base
  • 5
  • 2
  • 7
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":0,"c":0,"v":16}