starter Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [4, 6] → [_, _, 4]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [4,6]
  • [2,2,4]
Base
  • 2
  • 2
  • 4
TopValue
10
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 13] → [_, 8, 5]

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Answer: Row3[1]=4, Row1[1]=25

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [4,8,5]
Base
  • 4
  • 8
  • 5
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"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): [18] → [9, _] → [6, _, 6]

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Answer: Row2[2]=9, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [9,9]
  • [6,3,6]
Base
  • 6
  • 3
  • 6
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 13] → [_, 6, 7]

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Answer: Row3[1]=4, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [10,13]
  • [4,6,7]
Base
  • 4
  • 6
  • 7
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"c":0,"v":10}