expert Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [13, 12] → [_, 6, _]

Show answer

Answer: Row3[3]=6, Row3[1]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [13,12]
  • [7,6,6]
Base
  • 7
  • 6
  • 6
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 9] → [9, _, 2]

Show answer

Answer: Row2[1]=16, Row3[2]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [16,9]
  • [9,7,2]
Base
  • 9
  • 7
  • 2
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 6] → [5, 4, _]

Show answer

Answer: Row1[1]=15, Row3[3]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [9,6]
  • [5,4,2]
Base
  • 5
  • 4
  • 2
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [7, 2, 6]

Show answer

Answer: Row1[1]=17, Row2[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [9,8]
  • [7,2,6]
Base
  • 7
  • 2
  • 6
TopValue
17
HiddenCells
  • {"r":0,"c":0,"v":17}
  • {"r":1,"c":0,"v":9}