easy Set 59 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [6, 7, 1]

Show answer

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 9] → [10, 2, _]

Show answer

Answer: Row3[3]=7, Row2[1]=12

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [12,9]
  • [10,2,7]
Base
  • 10
  • 2
  • 7
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 8] → [8, 2, _]

Show answer

Answer: Row3[3]=6, Row2[1]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [10,8]
  • [8,2,6]
Base
  • 8
  • 2
  • 6
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [14, _] → [_, 9, 7]

Show answer

Answer: Row2[2]=16, Row3[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [14,16]
  • [5,9,7]
Base
  • 5
  • 9
  • 7
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":2,"c":0,"v":5}