starter Set 29 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [18, _] → [9, 9, _]

Show answer

Answer: Row2[2]=15, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [18,15]
  • [9,9,6]
Base
  • 9
  • 9
  • 6
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [5] → [_, 2] → [_, 1, 1]

Show answer

Answer: Row2[1]=3, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [5]
  • [3,2]
  • [2,1,1]
Base
  • 2
  • 1
  • 1
TopValue
5
HiddenCells
  • {"r":1,"c":0,"v":3}
  • {"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): [32] → [_, 16] → [10, _, 10]

Show answer

Answer: Row3[2]=6, Row2[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [16,16]
  • [10,6,10]
Base
  • 10
  • 6
  • 10
TopValue
32
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 5] → [_, 1, 4]

Show answer

Answer: Row3[1]=10, Row1[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [11,5]
  • [10,1,4]
Base
  • 10
  • 1
  • 4
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":0,"c":0,"v":16}