___________
Maths
Arithmetic procedures with fractions
Starter quiz
Try it
Give to class
How many halves are in 3 wholes? (You can use a bar model if it helps.)
3
6 ✓
1.5
0
How many quarters are in 5?
4
5
10
20 ✓
25
The bar model shows that there are
______
lots of a
{1} \over {3}
in 4.
'12' ✓
The bar model shows that there are
______
lots of a
{1} \over {5}
in 3.
'15' ✓
The Oak teacher gave 4 pupils a question, "How many tenths are there in 5?" Select the correct answer and explanation.
Laura says "There are 500 tenths because
5\times 100
= 500"
Andeep says "There are 50 tenths because
5\times 10
= 50" ✓
Jun says "There are 50 tenths because each 10 wholes has five fifths."
Alex says "There are 2 tenths because
10\div5
= 2"
Sort the following from largest to smallest.
1
⇔
10\div \frac{1}{3}
2
⇔
2\div \frac{1}{9}
3
⇔
1\div \frac{1}{11}
4
⇔
1\div \frac{1}{3}
5
⇔
1\div \frac{1}{2}
+
The bar model shows that there are ______ lots of a in 4.
The bar model shows that there are ______ lots of a in 3.