starter Set 35 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [14, _] → [_, 4, 2]

Show answer

Answer: Row2[2]=6, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [14,6]
  • [10,4,2]
Base
  • 10
  • 4
  • 2
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":2,"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): [_] → [12, 6] → [_, 4, 2]

Show answer

Answer: Row3[1]=8, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [12,6]
  • [8,4,2]
Base
  • 8
  • 4
  • 2
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"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): [_] → [5, 7] → [_, 3, 4]

Show answer

Answer: Row1[1]=12, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [5,7]
  • [2,3,4]
Base
  • 2
  • 3
  • 4
TopValue
12
HiddenCells
  • {"r":0,"c":0,"v":12}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [8, 4, 4]

Show answer

Answer: Row2[2]=8, Row1[1]=20

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [12,8]
  • [8,4,4]
Base
  • 8
  • 4
  • 4
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":0,"c":0,"v":20}