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] → [_, 12] → [_, 2, 10]

Show answer

Answer: Row2[1]=8, Row3[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [8,12]
  • [6,2,10]
Base
  • 6
  • 2
  • 10
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [11, _] → [10, _, 6]

Show answer

Answer: Row3[2]=1, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [10,1,6]
Base
  • 10
  • 1
  • 6
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [14, 12] → [_, _, 2]

Show answer

Answer: Row3[2]=10, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [14,12]
  • [4,10,2]
Base
  • 4
  • 10
  • 2
TopValue
26
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 12] → [_, 6, 6]

Show answer

Answer: Row1[1]=22, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [10,12]
  • [4,6,6]
Base
  • 4
  • 6
  • 6
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":2,"c":0,"v":4}