![]() Incorporating mental math problems into your daily routines can make a massive impact on your student’s automaticity with math facts and problem solving. You'll help students increase number sense, math fact recall, computation skills, and problem solving with this full year bundle. One strategy students can use to solve 2 digit subtraction problems (with and without regrouping) is by using base ten block manipulatives. I always have these mental math task cards within reach too. Browse base ten block worksheets resources on Teachers Pay Teachers, a marketplace trusted by millions of teachers for original educational resources. For example, Start at 12 → Add 4 → Subtract 2 → Add 100. I give students a VERBAL, multi-step problem that they must solve. I start each math session with a quick 2-3 minutes of mental math cards. I also like to have students pull TWO dominos and have them find the sum or difference. Have students roll two (or four if you want to increase the difficulty) dice and add them together. SO easy to adapt to addition, subtraction, and multiplication! Click here to see us in action! Dice and Dominoes The numbers 1-12 are on each team's side of the board and then they have a number (in this case it was +7, but you can adapt it to other operations very easily) to add to each number. My students LOVE practicing their math facts with this fun relay race! The kids are in two lines and have to compete relay-race style to get all of the facts correct. There are so many great ideas for practicing math facts in the free PDF guide, but here are a few favorites. ![]() Addition and Subtraction Math Fact Practice Don’t forget to address numbers with many zeros to subtract across (2,000-1,387), but also numbers with only one zero but requiring multiple regrouping steps (123,208 – 62,845). Others will need several strategies (more suggestions are in the free PDF!). ![]() This conceptual strategy will work for many students. ![]() I highly encourage you to utilize base ten manipulatives to show students how to subtract across zeros. ![]()
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