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Which breaks down 3x9 correctly?

• (3x4)+(3x4)

• (3x3)+(3x3)

• (3x4)+(3x5)

Use the distributive property to solve: (5x2)+(5x5)

• 10+10 = 20

• 15+15 = 30

• 10+25 = 35

Break apart 9 x 9

• (9 x 4) + (9 x 5)

• (9 x 3) + (9 x 7)

• (9 x 3) + (9 x 7)

Use the image to answer.

• A

• B

• C

• D

Which of these figures has at least one line of symmetry?

• 
• 
• 
• 

Does this image show a line of symmetry?

• yes

• no

Does this image show a line of symmetry?

• yes

• no

How do you know if a figure has a line of symmetry?

• If you fold it on the line both sides are congruent (same size and shape).

• The line is really big.

• Both sides are different colors.

• If you can fold it anywhere.

How many lines of symmetry does this shape have?

• 0
• 1
• 2
• 4

How many lines of symmetry does this shape have?

• 1
• 2
• 3
• 4