starter Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 14] → [1, _, 5]

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Answer: Row3[2]=9, Row1[1]=24

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [10,14]
  • [1,9,5]
Base
  • 1
  • 9
  • 5
TopValue
24
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"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): [_] → [14, _] → [10, 4, 7]

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Answer: Row2[2]=11, Row1[1]=25

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [14,11]
  • [10,4,7]
Base
  • 10
  • 4
  • 7
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 9] → [8, 2, 7]

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Answer: Row1[1]=19, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [8,2,7]
Base
  • 8
  • 2
  • 7
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":1,"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): [_] → [10, _] → [7, 3, 5]

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Answer: Row1[1]=18, Row2[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [10,8]
  • [7,3,5]
Base
  • 7
  • 3
  • 5
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"r":1,"c":1,"v":8}