starter Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [15, _] → [7, _, 1]

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Answer: Row2[2]=9, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [15,9]
  • [7,8,1]
Base
  • 7
  • 8
  • 1
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 13] → [2, 10, 3]

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Answer: Row1[1]=25, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [2,10,3]
Base
  • 2
  • 10
  • 3
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [20, _] → [10, 10, _]

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Answer: Row2[2]=14, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [20,14]
  • [10,10,4]
Base
  • 10
  • 10
  • 4
TopValue
34
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 10] → [2, 7, _]

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Answer: Row2[1]=9, Row3[3]=3

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