starter Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, _] → [3, 2, 7]

Show answer

Answer: Row2[2]=9, Row1[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [5,9]
  • [3,2,7]
Base
  • 3
  • 2
  • 7
TopValue
14
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":0,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [11, 3] → [10, _, _]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [11,3]
  • [10,1,2]
Base
  • 10
  • 1
  • 2
TopValue
14
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [15, _] → [_, 6, 6]

Show answer

Answer: Row3[1]=9, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [15,12]
  • [9,6,6]
Base
  • 9
  • 6
  • 6
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"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): [_] → [2, 2] → [1, 1, _]

Show answer

Answer: Row1[1]=4, Row3[3]=1

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