starter Set 58 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [12, _] → [_, 7, 9]

Show answer

Answer: Row3[1]=5, Row2[2]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [12,16]
  • [5,7,9]
Base
  • 5
  • 7
  • 9
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [11, 11] → [9, _, _]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [11,11]
  • [9,2,9]
Base
  • 9
  • 2
  • 9
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, 10] → [3, 2, _]

Show answer

Answer: Row3[3]=8, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [5,10]
  • [3,2,8]
Base
  • 3
  • 2
  • 8
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":0,"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): [33] → [_, _] → [9, 9, 6]

Show answer

Answer: Row2[1]=18, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [18,15]
  • [9,9,6]
Base
  • 9
  • 9
  • 6
TopValue
33
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":1,"c":1,"v":15}