Fraction multiplication with union of rows and columns
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Transcript of Fraction multiplication with union of rows and columns
What kind of chain is edible?Color the union of the two fractions multiplied. Then solve. (Art: Blue x Yellow = Green “union”)Fraction = “Part divided by total” =
1. ½ × ¾ =
( C )
2. ½ x ¼ = ___
( F )
3. ⅝ × ½= ___
( O )
4. X ½ = ___
( A )
5. X = ___
( D )
6. X = ___
( H )
7. X = ___
( I )
8. X = ___
( A )9. Probability of (roll “odd”, then roll
“odd” on dice): x = =
Another way: x =____ ( N )
10. For the following problem: X =
How many rows will be needed, if there are 6 column (& 24 total)? _____ ( O )
Answer: ____ ____ ____ ____ ____ C ____ ____ ____ ____ Mixed Fractions: Teacher Notes for More Activities (with colored pencils or paint)
38 or 3 out of 8 green
1 3
2 3
2 10
2 3
1 5
2 3
1 3
3 4
2 3
¾ or 3 of 4 rows shadedyellow
3 6
½ or 1 of 2 columns shaded blue
PartTotal
1 6
1 8
5 16
4 30
3 8
2 15
6 12
2 9
1 4
4
3 6
3 1
3 2
9 36
1 4
1 2
1 2
1 4
5 6
5 24
½x = = 1 and ½ (Another way to read is “½ of 3” is “1 ½”.)
1. Shade three whole shapes in yellow (to be consistent with the order of coloring as above.)
2. Then shade ½ of the total picture blue. (Two ways to shade: ½ of each of the 3 boxes or 1 ½ cells.)
3. Where there is both yellow and blue, that is the intersection. Color it green. 3 cells of the 6 total cells make 1 ½ of the original 3 shapes shown.
Step 1 After all three shapes are made yellow, then see Steps 2 and 3 in the boxes below:
Color half blue;Blue and yellow make green
Color half blue;Blue and yellow make green
Color half blue;Blue and yellow make green