starter Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [16, _] → [7, _, 6]

Show answer

Answer: Row3[2]=9, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [16,15]
  • [7,9,6]
Base
  • 7
  • 9
  • 6
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [15, 15] → [6, _, _]

Show answer

Answer: Row3[3]=6, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [15,15]
  • [6,9,6]
Base
  • 6
  • 9
  • 6
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [17, _] → [_, 9, 1]

Show answer

Answer: Row2[2]=10, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [17,10]
  • [8,9,1]
Base
  • 8
  • 9
  • 1
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [_, 17] → [7, _, 9]

Show answer

Answer: Row3[2]=8, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [15,17]
  • [7,8,9]
Base
  • 7
  • 8
  • 9
TopValue
32
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":0,"v":15}