easy Set 11 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] → [_, 2, 4]

Show answer

Answer: Row2[1]=7, Row3[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [13]
  • [7,6]
  • [5,2,4]
Base
  • 5
  • 2
  • 4
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [7, 12] → [3, _, _]

Show answer

Answer: Row3[2]=4, Row3[3]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [19]
  • [7,12]
  • [3,4,8]
Base
  • 3
  • 4
  • 8
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [18, 11] → [_, _, 2]

Show answer

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [29]
  • [18,11]
  • [9,9,2]
Base
  • 9
  • 9
  • 2
TopValue
29
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [9, _] → [1, 8, _]

Show answer

Answer: Row2[2]=15, Row3[3]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [9,15]
  • [1,8,7]
Base
  • 1
  • 8
  • 7
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":2,"v":7}