✏️ Addition Workbooks from Kumon. For kids who would benefit from extra practice, the Kumon math workbooks are an appealing and cost-effective option. Each grade-leveled book covers just one topic and features a clean layout and logical progression of skills. Here are the books in the Addition Series: My Book of Simple Addition (adding 1 and 2); My Book of Addition (addition facts, 1–9); Grade 1 Addition (sums beyond 30); Grade 2 Addition (multi-digit numbers); Grade 3 Addition and Subtraction (even more complicated arithmetic). – Preschool • Elementary

✏️ Subtraction Workbooks from Kumon. Kumon has several workbooks that focus on subtraction skills: My Book of Simple Subtraction (subtracting the numbers 1–5 from a whole number); My Book of Subtraction (subtracting the numbers 1–20 from a whole number); Grade 1 Subtraction (subtract 1- and 2-digit numbers); Grade 2 Subtraction (subtract multi-digit numbers); Grade 3 Addition and Subtraction (even more complicated arithmetic). – Preschool • Elementary

✏️ Addition Facts that Stick and Subtraction Facts that Stick by Kate Snow. Use this pair of teaching guides, from veteran homeschooler and math education expert Kate Snow, to help your kids nail down their addition and subtraction facts without flash cards or worksheet drills. Each book contains 6 weeks worth of short activities tailored to help kids really visualize the processes of adding and subtracting within 20. – Elementary

✏️ Arithmetic worksheets from MathFactCafe. Use this free website to generate printable arithmetic worksheets. You can tailor the worksheets by selecting the problem type(s), the number range, and the number of problems per sheet.

✏️ Arithmetic modules from Khan Academy. Khan Academy offers a wealth of free math educational resources, including a large library of instructional videos and online practice problem sets. The Addition & Subtraction module spans all levels, from simple addition and subtraction to multidigit operations with and without regrouping.The Negative Numbers module includes instruction on adding and subtracting negative numbers.

✏️ Addition & Subtraction from CK12. CK12 offers free, adaptive online practice across all areas of math. In the Addition and Subtraction module, practice adding and subtracting whole numbers and estimating the sums and differences of whole numbers. – Elementary

🖐️ Number line. A number line is a useful first tool for exploring addition and subtraction. There are many different number lines available for purchase; the linked image is for a 32' wall-hangable poster that includes negative as well as positive numbers (–20 to 120). – Elementary

🖐️ Ten-frame boards. As you’re teaching early elementary arithmetic, it’s really helpful to use ten-frame boards or cards to help illustrate the key idea of “making a ten.” There are many available options. The linked image is for a set of magnetic ten-frame boards. You can also make or purchase a set of ten-frame cards. – Elementary

🖐️ Flash cards. When it comes time to memorize arithmetic facts, flash cards will become a must-have supplement. The linked image is for a deluxe pack containing fact cards for addition, subtraction, multiplication, and division (0 to 12) as well as fractions, time and money. – Elementary

💡Tip – You can also make your own custom set of addition and subtraction fact cards with blank flash cards or index cards.

🖐️ Base ten block set. The base ten set is an essential arithmetic manipulative. It’s particularly useful in teaching addition and subtraction with regrouping. There are many options available; the linked image is for a blue plastic set sold with an instructional booklet by Learning Resources. Another popular manipulative is a set of Cuisenaire rods, which come in a variety of lengths (1–10 units) and can help kids visualize simple arithmetic operations. – Elementary

🖐️ Place Value Disks. A set of place value disks comes in handy as you're studying more advanced arithmetic concepts, such as addition and subtraction of numbers greater than 1000. The linked version consists of 280 multicolored disks representing place values from 1 to 1,000,000. – Elementary

📖 What’s New at the Zoo? and What’s the Difference? by Suzanne Slade. These animal-themed books from Slade's arithmetic series introduce addition and subtraction using pictures and concrete examples; together, they provide a fine first introduction to the concepts. Ideas for further learning activities are provided at the back of each book. – Preschool • Elementary

📖 Mice Mischief: Math Facts in Action by Caroline Stills. In this sweet little picture book, a pack of playful mice demonstrate the addition facts within ten. It’s a nice accompaniment to a very first elementary study of arithmetic. – Preschool • Elementary