PBS

Subtract a 1-Digit from a 2-Digit Number

Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Can you solve the ...
PBS

Add & Subtract using 10

Represent teen numbers with addition and subtraction equations involving one 10. Represent 10 using a number bond and 10-frame with a missing addend. Use Notice and Wonder with a 10-frame, connecting ...
KHQ

This math problem is dividing the internet, no pun intended

The reason why people are divided is because there are two different ways of solving math problems. For the PEMDAS method you solve in the order of: Parenthesis, Exponents, Multiplication, Division, ...
Lifehacker

Do Math in Your Head With These Mental Math Tricks

You probably haven’t had to do longhand math in years, but you do mental math every day. Or maybe you google math problems ten times a day, because you’ve forgotten how to do any math beyond your ...
Education Week

Ditch Those Math Worksheets. The Case for Teaching Real-World Problem Solving in K-5

The designers for Monte Vista Elementary School’s proposed outdoor classroom had some key questions to answer: What materials could they use while staying under the district’s $10,000 budget? How much ...