Curated OER
Horizontal Addition
Here are four examples of double-digit horizontal addition. Learners are shown how to compute numbers horizontally, by first adding the tens and then the ones columns and then adding them both together. This is a great way to boost...
Curated OER
Number Bonds
Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...
Curated OER
Multiplication: Doubling and Halving
Intended for summer school, this unit review covers basic multiplication through doubling and halving, division, fraction to decimal conversion, and word problems involving decimal numbers. Use it to warm up the class, review concepts,...