starter Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 11] → [_, 8, 3]

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Answer: Row1[1]=20, Row3[1]=1

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [7, 8, 8]

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Answer: Row2[2]=16, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [15,16]
  • [7,8,8]
Base
  • 7
  • 8
  • 8
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, 12] → [8, _, 3]

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Answer: Row2[1]=17, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [17,12]
  • [8,9,3]
Base
  • 8
  • 9
  • 3
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"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): [_] → [15, 18] → [_, 8, 10]

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Answer: Row1[1]=33, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [15,18]
  • [7,8,10]
Base
  • 7
  • 8
  • 10
TopValue
33
HiddenCells
  • {"r":0,"c":0,"v":33}
  • {"r":2,"c":0,"v":7}