starter Set 24 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [12, _] → [_, 5, 7]

Show answer

Answer: Row2[2]=12, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [12,12]
  • [7,5,7]
Base
  • 7
  • 5
  • 7
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [14, 14] → [5, _, _]

Show answer

Answer: Row3[2]=9, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [14,14]
  • [5,9,5]
Base
  • 5
  • 9
  • 5
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, _] → [7, 8, 5]

Show answer

Answer: Row2[2]=13, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [15,13]
  • [7,8,5]
Base
  • 7
  • 8
  • 5
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 17] → [_, 8, 9]

Show answer

Answer: Row1[1]=30, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [13,17]
  • [5,8,9]
Base
  • 5
  • 8
  • 9
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":2,"c":0,"v":5}