easy Set 67 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [9, 10] → [8, _, _]

Show answer

Answer: Row3[2]=1, Row3[3]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [19]
  • [9,10]
  • [8,1,9]
Base
  • 8
  • 1
  • 9
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 10] → [3, _, 5]

Show answer

Answer: Row1[1]=18, Row3[2]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [8,10]
  • [3,5,5]
Base
  • 3
  • 5
  • 5
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [16, 8] → [_, 7, _]

Show answer

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [16,8]
  • [9,7,1]
Base
  • 9
  • 7
  • 1
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"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): [_] → [11, 4] → [9, _, 2]

Show answer

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [11,4]
  • [9,2,2]
Base
  • 9
  • 2
  • 2
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":0,"c":0,"v":15}