starter Set 34 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [10, _] → [_, 5, 4]

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Answer: Row2[2]=9, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [5,5,4]
Base
  • 5
  • 5
  • 4
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [5, _] → [_, 2, 5]

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Answer: Row3[1]=3, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [5,7]
  • [3,2,5]
Base
  • 3
  • 2
  • 5
TopValue
12
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"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] → [13, 5] → [9, _, _]

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Answer: Row3[2]=4, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [13,5]
  • [9,4,1]
Base
  • 9
  • 4
  • 1
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [10, 11] → [_, 5, _]

Show answer

Answer: Row3[1]=5, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [5,5,6]
Base
  • 5
  • 5
  • 6
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":6}