Year 1 Exploring and noticing

A group of animals has made a seesaw in the woods. How can you make the seesaw balance?

Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?

Lee was writing all the counting numbers from 1 to 20. She stopped for a rest after writing seventeen digits. What was the last number she wrote?

Which comes next in each pattern of dominoes?

Make one big triangle so the numbers that touch on the small triangles add to 10.

Buzzy Bee was building a honeycomb. She decorated the honeycomb with a pattern using numbers. Can you discover Buzzy's pattern and fill in the empty cells for her?

Can you find two butterflies to go on each flower so that the numbers on each pair of butterflies adds to the number on their flower?

Try grouping the dominoes in the ways described. Are there any left over each time? Can you explain why?

Can you put these shapes in order of size? Start with the smallest.

An old game with lots of arithmetic!

Can you each work out the number on your card? What do you notice? How could you sort the cards?

If you have ten counters numbered 1 to 10, how many can you put into pairs that add to 10? Which ones do you have to leave out? Why?

For this activity which explores capacity, you will need to collect some bottles and jars.

In this activity focusing on capacity, you will need a collection of different jars and bottles.

In this calculation, the box represents a missing digit. What could the digit be? What would the solution be in each case?

In Sam and Jill's garden there are two sorts of ladybirds with 7 spots or 4 spots. What numbers of total spots can you make?

These pieces of wallpaper need to be ordered from smallest to largest. Can you find a way to do it?

Can you split each of the shapes below in half so that the two parts are exactly the same?

As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?

Can you each work out what shape you have part of on your card? What will the rest of it look like?

Dotty Six is a simple dice game that you can adapt in many ways.

A group of children are discussing the height of a tall tree. How would you go about finding out its height?

What is the greatest number of squares you can make by overlapping three squares?