 # Add, Subtract and Counting on to Subtract

Videos and solutions to help Grade 2 students learn how to add and subtract multiples of 10 including counting on to subtract.

Common Core Standards: 2.NBT.2, 2.NBT.1, 2.NBT.3, 2.MD.8

### NYS Math Module 4 Grade 2 Lesson 2

Lesson 2 Problem Set

1. Solve using place value strategies. Use scratch paper to use the arrow way or number bonds, or just use mental math and record your answers.
a. 5 tens + 3 tens = ______ tens
b. 24 + 30 = _____
Lesson 2 Homework

1. Solve using place value strategies.
c. 28 + 40 = _____
f. ____ + 22 = 62

3. Solve using place value strategies.
c. 55 – 20 = _____
e. 67 - ____ = 47

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations. 