. Each below represents a factor between 1 and 9. Draw lines to match each fact on the left with a pattern for its products on the right.

Look Bac

change if

? XO

O in the ones place

? X

1

O or 5 in the ones place

? x 2

0, 2, 4, 6, or 8 in the ones place

? x 5

The other factor in the ones place

? X9

1 less than the unknown factor in the tens place

90

Topic 2 Lesson 2-5

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