starter Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, _] → [7, 10, 1]

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Answer: Row1[1]=28, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [17,11]
  • [7,10,1]
Base
  • 7
  • 10
  • 1
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 17] → [9, _, 8]

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Answer: Row3[2]=9, Row1[1]=35

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [18,17]
  • [9,9,8]
Base
  • 9
  • 9
  • 8
TopValue
35
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":0,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, 5] → [4, 1, _]

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Answer: Row3[3]=4, Row1[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [5,5]
  • [4,1,4]
Base
  • 4
  • 1
  • 4
TopValue
10
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":0,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [7, 8, 4]

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Answer: Row2[2]=12, Row1[1]=27

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [15,12]
  • [7,8,4]
Base
  • 7
  • 8
  • 4
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":0,"c":0,"v":27}