# Year 2

#### FREE maths resources for all

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### Using Our Maths C

#### Following Units 13-17

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?

#### Activity: Writing numbers in figures

Write the numbers 1006 and 106 on paper and then say ‘If I want to write the number one hundred and six, which of these is correct?’

Try the same with:

47, 407; forty seven

606, 66; sixty six

348, 30048, 300408; three hundred and forty eight

Now have a go at making up some of your own.

**Answer: Using Our Maths C Answers (PDF)**

#### Activity: Missing signs

The important skill here is using the knowledge we have to ask questions to help solve the problem. All the answers are correct. We have to work out what the missing mathematical sign is. The first question is ‘Is the answer bigger or smaller than the two numbers we start with?’ If it is bigger we know that we must be adding or multiplying. However if the answer is smaller then we must be subtracting or dividing. Another question to ask “Does the sum look like the times tables we have learned?”

This means we can work out what the sign should be even if the sum is too big to do in our heads yet!

2 ? 9 = 11 | 16 ? 2 = 8 | 68 ? 24 = 44 | 97 ? 32 = 65 |

5 ? 2 = 10 | 50 ? 10 = 5 | 21 ? 55 = 76 | 2 ? 10 = 20 |

12 ? 12 = 24 | 52 ? 20 = 72 | 49 ? 21 = 28 | 73 ? 11 = 62 |

**Answer: Using Our Maths C Answers (PDF)**