The video also discusses zero as a placeholder in larger numbers and its importance in rounding off figures. Overall, it clarifies that zero is an essential number, not a troublemaker in arithmetic.

Let's label five number lines. All right, third grade math mights, we're going to work with halves on the number line. So we have our number line that starts at zero and ends at the whole number one.

Slide 1 of 9, A number line from zero to ten., Use a number line to identify if you need to round up or round down. The whole numbers are equally spaced on this number line.

Teachers can get kids comfortable with math concepts by using numeracy-focused vocabulary in everyday classroom activities.

If I have my number line and I'm deciding in my tens, if I want to round to 90 or 100, which is the next closest 10, I'm gonna plot that 98, and it makes sense that we actually would round up to ...

Teach your children 4th grade math skills like fractions, ... Use understanding of place value to round multi-digit whole numbers to any place. ... number lines, fraction bars ...

To find out how number-line visualization relates to understanding, the researchers gave children a stack of blank number lines with "0" written on the left end and "20" on the right end.