Solve problems with addition and subtraction using concrete objects and pictorial representations, including those involving numbers, quantities and measures. Solve problems with addition and …

Now think about the different demands of the task. Look at work for b and f, adding one- and two- digit numbers. Are students able to align the numbers and think about place value or are they …

Create your own worksheets like this one with Infinite Algebra 1. Free trial available at KutaSoftware.com.

16. IN YOUR OWN WORDS Is the sum of two integers positive, negative, or zero? How can you tell? 17. Write general rules for adding (a) two integers with the same sign, (b) two integers …

Addition of integers can be modeled using counters. We will use red counters with a “+” sign for positives and blue counters with a “−” sign for negatives. Here we have the sum 2 + 3. There …

Lesson 14: Center Day 2 • Let’s play games to practice adding and subtracting.

Rules for Adding Integers Rule 1: If the signs are the same then add the numbers. Keep the same sign. Rule 2: If the signs are different then subtract the smaller number from the larger …