Targeted Year 1 resources for pupils to estimate on a number line to 20, developing a key KS1 Maths skill for spatial and number sense reasoning. Activities build deepening understanding of number magnitude by requiring pupils to place numbers approximately on a blank or partially marked number line. This crucial small step supports mastery of number position and is essential for meeting national curriculum expectations for number line use. The CS Maths Scheme provides varied estimation challenges.
Full step description and curriculum objectives