starter Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, _] → [10, 9, 10]

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Answer: Row2[2]=19, Row2[1]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [38]
  • [19,19]
  • [10,9,10]
Base
  • 10
  • 9
  • 10
TopValue
38
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [12, _] → [7, _, 5]

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Answer: Row3[2]=5, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [7,5,5]
Base
  • 7
  • 5
  • 5
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [19, _] → [9, 10, _]

Show answer

Answer: Row2[2]=19, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [38]
  • [19,19]
  • [9,10,9]
Base
  • 9
  • 10
  • 9
TopValue
38
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 10] → [3, 9, _]

Show answer

Answer: Row1[1]=22, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [3,9,1]
Base
  • 3
  • 9
  • 1
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":2,"c":2,"v":1}