starter Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 7] → [9, 5, _]

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Answer: Row3[3]=2, Row2[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [14,7]
  • [9,5,2]
Base
  • 9
  • 5
  • 2
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":1,"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): [_] → [15, 18] → [6, _, 9]

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Answer: Row3[2]=9, Row1[1]=33

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [15,18]
  • [6,9,9]
Base
  • 6
  • 9
  • 9
TopValue
33
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":0,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 10] → [9, _, 2]

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Answer: Row3[2]=8, Row1[1]=27

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 9] → [10, 1, _]

Show answer

Answer: Row3[3]=8, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [10,1,8]
Base
  • 10
  • 1
  • 8
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":0,"v":11}