starter Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, _] → [6, 3, 1]

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Answer: Row2[1]=9, Row2[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [9,4]
  • [6,3,1]
Base
  • 6
  • 3
  • 1
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":1,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, _] → [3, 8, 5]

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Answer: Row2[2]=13, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [11,13]
  • [3,8,5]
Base
  • 3
  • 8
  • 5
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, _] → [4, 4, 3]

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Answer: Row2[1]=8, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [4,4,3]
Base
  • 4
  • 4
  • 3
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [8, 10] → [_, 5, _]

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Answer: Row3[3]=5, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [8,10]
  • [3,5,5]
Base
  • 3
  • 5
  • 5
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":0,"v":3}