easy Set 54 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [11, 10] → [_, _, 2]

Show answer

Answer: Row3[2]=8, Row3[1]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [11,10]
  • [3,8,2]
Base
  • 3
  • 8
  • 2
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 10] → [1, 7, _]

Show answer

Answer: Row3[3]=3, Row1[1]=18

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [8,10]
  • [1,7,3]
Base
  • 1
  • 7
  • 3
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"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): [28] → [13, 15] → [_, _, 5]

Show answer

Answer: Row3[1]=3, Row3[2]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [28]
  • [13,15]
  • [3,10,5]
Base
  • 3
  • 10
  • 5
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [9, 11] → [_, _, 5]

Show answer

Answer: Row3[1]=3, Row3[2]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [9,11]
  • [3,6,5]
Base
  • 3
  • 6
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":1,"v":6}