starter 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): [30] → [14, 16] → [_, 6, _]

Show answer

Answer: Row3[1]=8, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [14,16]
  • [8,6,10]
Base
  • 8
  • 6
  • 10
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [5, 4, 8]

Show answer

Answer: Row1[1]=21, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [9,12]
  • [5,4,8]
Base
  • 5
  • 4
  • 8
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":1,"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): [26] → [14, _] → [4, _, 2]

Show answer

Answer: Row3[2]=10, Row2[2]=12

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":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [12, 8] → [8, _, _]

Show answer

Answer: Row3[2]=4, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [12,8]
  • [8,4,4]
Base
  • 8
  • 4
  • 4
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":4}