Adding and subtracting 10 is easy once you understand the tricks! Learners first write numbers that are ten more than two double-digit numbers. Then, they find numbers ten less than two other double-digit numbers. An explanation on the...

This set of problems has learners complete a variety of tasks as they practice adding 10 and subtracting 10. An apple tree with two apples isn't very fun; how about one with ten more? They draw the apples onto the tree and write the...

Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing...