starter Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [_, 3] → [_, 1, 2]

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Answer: Row3[1]=7, Row2[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [8,3]
  • [7,1,2]
Base
  • 7
  • 1
  • 2
TopValue
11
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"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): [20] → [9, 11] → [6, _, _]

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Answer: Row3[2]=3, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [9,11]
  • [6,3,8]
Base
  • 6
  • 3
  • 8
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 9] → [_, 2, 7]

Show answer

Answer: Row3[1]=9, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [9,2,7]
Base
  • 9
  • 2
  • 7
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [12, 17] → [4, _, _]

Show answer

Answer: Row3[3]=9, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [12,17]
  • [4,8,9]
Base
  • 4
  • 8
  • 9
TopValue
29
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":8}