Mental Math: Add Hundreds - Reteach 21.1
Build mental math skills and solid number sense with this learning exercise. The class is asked to think of 200+500 as 2+5. There is a review and 6 problems to solve. 3+4!, I can do that in my head!
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Mental Math: Subtract Hundreds - Problem Solving 22.1
Four word problems are presented to second graders. For each, they can use their mental math skills to quickly subtract hundreds and arrive at an answer. This is a terrific inclusion for your Common Core math curriculum.
1st - 3rd Math CCSS: Adaptable
Mental Math: Subtract Hundreds - Homework 22.1
Mental math skills are taught and practiced on this handy-dandy handout! On it, learners discover that focusing on the first digit of a three-digit hundreds number makes it easy to subtract hundreds. This is the perfect addition to your...
2nd Math CCSS: Adaptable
Mental Math: Add Hundreds Problem Solving 21.1
Use these word problems to reinforce the concept of adding hundreds. Budding mathematicians read each of the 4 word problems, then use the provided space to draw or explain how they computed an answer. Note: Be aware some kids who will...
2nd - 3rd Math
Mental Math, Adding Decimals, Multiplication Facts
A thorough presentation is chock full of great tips on how to develop mental math skills, add decimals, and reinforce the memorization of multiplication facts. Learners solve a variety of problems, while getting tips along the way. An...
3rd - 4th Math