Practice Subtract 10s and 100s (no regrouping) Get 5 of 7 questions to level up!

In this topic, we will add and subtract whole numbers. The topic starts with 1+1=2 and goes through adding and subtracting within 1000. We will cover regrouping, borrowing, and word problems.

As you add numbers you move up the page, as you subtract numbers you move down the page. (Like an elevator, or a lego tower. as you add lego's onto your tower, the tower gets taller)

Sure, you can count to 10, but did you know you can add and subtract numbers within 10 too? It might sound tricky, but don't worry-- you're going to have a blast learning all the different ways numbers …

Arithmetic (all content) Course: Arithmetic (all content) > Unit 2 Lesson 1: Basic addition and subtraction Basic addition Add within 5 Basic subtraction Subtract within 5 Add and subtract: pieces of fruit

Practice Add and subtract on the number line word problems Get 3 of 4 questions to level up!

Let's extend our addition and subtraction understanding to include negative numbers. Whether we need temperatures below zero, altitudes below sea level, or decreases from any other reference point, …

See how we can add or subtract two functions to create a new function. Just like we can add and subtract numbers, we can add and subtract functions. For example, if we had functions f and g , we …

Practice Add polynomials (intro) 4 questions Practice Subtract polynomials (intro)

Add and subtract rational expressions. The denominators in this exercise may have shared factors, and so require finding the least common multiple before adding or subtracting.