easy Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 13] → [7, _, 5]

Show answer

Answer: Row1[1]=28, Row3[2]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [28]
  • [15,13]
  • [7,8,5]
Base
  • 7
  • 8
  • 5
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":2,"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): [_] → [8, 10] → [_, 6, 4]

Show answer

Answer: Row3[1]=2, Row1[1]=18

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [8,10]
  • [2,6,4]
Base
  • 2
  • 6
  • 4
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":0,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 11] → [7, 2, _]

Show answer

Answer: Row3[3]=9, Row2[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [9,11]
  • [7,2,9]
Base
  • 7
  • 2
  • 9
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"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): [27] → [_, 17] → [1, _, 8]

Show answer

Answer: Row3[2]=9, Row2[1]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [10,17]
  • [1,9,8]
Base
  • 1
  • 9
  • 8
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":0,"v":10}