Lesson: Subtracting Tens on a Number Line Elementary School Mathematics 1st Grade • Math Connects • Grade 2 • Volume 1 • Student Edition • enVisionmath2.0 • Grade 2 • Volume 1 • Common Core

Mathematics

In this lesson, we will learn how to subtract multiples of ten from a two-digit number using a number line with numbers up to 100.

Sample Question Videos

Q1:

Subtract 30 from 78. Use the number line to help you.

Q2:

Find the missing number.

Q3:

You can use a number line to subtract.

Take away ones by counting back in ones.

Take away tens by counting back in tens.

Use number lines to find these differences.

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