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# Year 5

### Using Our Maths A

#### Following Units 1-5

These activities bring together the different mathematical skills that your child should now know. By combining these skills in puzzles and activities your child will need to reason and think of solutions, as well as complete calculations. This will help your child to really understand the skills they are learning.

Talk through each group of questions and ask your child how they are going to solve the challenges.

It’s good to get stuck sometimes! When this happens discuss the challenge in the following order:

• What do we need to find out to solve the challenge?
• What do we know by looking at the question?
• Want could we do first?
• How would that help us?

Is there anything else we could do?

#### Ordering tricky numbers

1. Put these numbers in order from the smallest to the largest. Then pick two numbers that are next to each other and explain what makes one bigger than the other. Do this again for other pairs. Being able to explain your thinking is just as important and getting the numbers in the right order.

303, 3303, 30300, 3300, 333, 33, 3003

2856, 8256, 6825, 5628, 5682, 2658, 6852, 8562

2. What is the value of each digit in red? Explain how you know.
243.607
805.01
200.5
609.99
1356.82
303000
5432641
8328688

3. Calculate these on paper and then check them with a calculator.
2.86 + 3.09 – 1.06
264.11 – 86.09 + 66.66
3056 – 89.99
58.61 + 359 – 26.04
88.8 + 99.9 – 66.6

4. Count up in steps of 10000
38,——–,———-,———,———-,———-.

5. Count up in steps of 10,000
860,—————–, —————,—————-,—————,————-.

6. Count down in steps of 100
1462,———-,———–,————–,————-,————-.

7. Count up in steps of 100,000
890,————–,—————,—————,—————–,—————.

8. Count down in steps of 1000
26,412,——————–,—————–,—————–,—————-,————-.