# Math Lesson - Mental Math -Subtract and Add by 10 - Part 2, Grade 1

• ### Activity 1 / Adding a Ten Worksheet

Learning to add by whole tens is a crucial step for students who are busy building critical mental math skills, as well as forming a foundation for future math concepts. Kids Academy knows that one of the best ways to master this early skill is by offering visual aids to help kids understand the math process behind the addition. Check out this colorful addition worksheet that offers helpful counters in frames to guide children as they add by tens!

• ### Activity 2 / Garden Subtraction Worksheet

Number sentences are difficult to solve if students don’t understand the underlying concept behind the addition and subtraction they complete. Help your kids make sense of the math they learn by offering this cute and colorful garden-themed subtraction worksheet! On each row, your child will find a row or two of vegetables that need to be counted. Read the number sentences, then count the total number of veggies for each problem. Take away ten for each, and count to see how many are left to find the answer!

• ### Activity 4 / Air Balloon Math Worksheet

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