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BBC1 年

Counting on to and back from 20 - KS1 Maths resources for Year 1 - BBC

Using a number line to count on and back Here are the numbers 1 to 20 shown on a number line. You can use a number line to help you count on. You may already know the order the numbers go in. You ...
Australian Broadcasting Corporation3 年

Maths Years F–1 with Miss James: Subtraction using a number line

SUBJECTS: Maths YEARS: F–2 Learn the "counting back" strategy to help you solve tricky subtraction problems. In this lesson, Miss James demonstrates how to use a number line correctly, and she ...