easy Set 69 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [9, 4, 7]

Show answer

Answer: Row2[1]=13, Row1[1]=24

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [13,11]
  • [9,4,7]
Base
  • 9
  • 4
  • 7
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":0,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 14] → [_, 8, 6]

Show answer

Answer: Row2[1]=17, Row3[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [17,14]
  • [9,8,6]
Base
  • 9
  • 8
  • 6
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 5] → [_, 1, 4]

Show answer

Answer: Row2[1]=10, Row3[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [10,5]
  • [9,1,4]
Base
  • 9
  • 1
  • 4
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 9] → [5, 7, _]

Show answer

Answer: Row2[1]=12, Row3[3]=2

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [12,9]
  • [5,7,2]
Base
  • 5
  • 7
  • 2
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":2,"v":2}