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): [13] → [9, 4] → [8, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [9,4]
  • [8,1,3]
Base
  • 8
  • 1
  • 3
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [9, 7, 1]

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Answer: Row2[1]=16, Row1[1]=24

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [16,8]
  • [9,7,1]
Base
  • 9
  • 7
  • 1
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":0,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 19] → [10, _, 10]

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Answer: Row3[2]=9, Row1[1]=38

SubType
number-pyramid
Difficulty
starter
Levels
  • [38]
  • [19,19]
  • [10,9,10]
Base
  • 10
  • 9
  • 10
TopValue
38
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":0,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [20, _] → [10, 10, _]

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Answer: Row3[3]=1, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [20,11]
  • [10,10,1]
Base
  • 10
  • 10
  • 1
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"c":1,"v":11}