math

1. {
Multiplying fractions
I can multiply a fraction by a whole number,
using diagrams

2. 1
3
2
3
1
3
´2 =
2
3
+
1
3
=
What fraction of each shape is pink?

3. 1
4
+
1
4
+
1
4
=
3
4
1
4
´3=
3
4

4. 1
6
´2 =
2
6
=
1
3

5. 4
5
´3=
12
5
= 2
2
5

6. What do you do
to multiply a fraction
by a whole number?
• Multiply the fraction’s
numerator by the whole
number
• Simplify, if necessary
• Convert to a mixed
number, if necessary

7. Do these in your books:
1.
2.
3.
4.
5.
6.
1
5
´ 4 =
2
7
´3=
1
6
´5 =
3
13
´3=
2
11
´ 4 =
2
7
´3=
4
5
6
7
5
6
9
13
8
11
6
7
7.
8.
9.
10.
11.
12.
1
6
´3=
2
5
´ 4 =
1
3
´ 4 =
5
12
´2 =
3
7
´3=
3
8
´2 =
3
6
=
1
2
8
5
=1
3
5
4
3
=1
1
3
10
12
=
5
6
9
7
=1
2
7
6
8
=
3
4
13.
14.
15.
16.
17.
18.
5
6
´ 2 =
2
9
´6 =
1
3
´6 =
5
12
´3=
3
8
´ 4 =
8
15
´3=
10
6
=
5
3
=1
2
3
12
9
=
4
3
=1
1
3
6
3
=
2
1
= 2
15
12
=
5
4
=1
1
4
12
8
=
3
2
=1
1
2
24
15
=
8
5
=1
3
5