Unit 7

Numbers and Operations in Base Ten – Place Value

Math

Unit Length and Description:

4 weeks

This unit will continue to focus on solving different types of addition and subtraction word problems and equations to 20. The unit serves as an introduction to using place value to solve addition problems involving two-digit and one-digit numbers.

Standards:

Enduring Understandings:

·        Students will solve various types of addition and subtraction word problems and equations using strategies.

·        Students will use place value to compare two numbers.

·        Students will add two-digit and one-digit numbers with and without composing a group of ten.

·       Students will develop strategies for adding and subtraction whole numbers.

Essential Questions:

·        What happens when we join two quantities or take one from another?

·        How can we find the total when we join two quantities?

·        How can we find what is left when we take one quantity from another?

·        How can we find the difference when we compare one quantity to another?

·        How can we compare one quantity to another?

·        How can we represent problem situations?

·        How can we show that addition and subtraction are related?