|
5.3A - Addition and Subtraction |
| The Texas Education Agency states: |
| Extraneous information may be given in the problem. The number of addends and the number of digits in the addends will be reasonable within the context of the problem. |
| Lessons: |
| Day 1 |
|
Students will add and subtract whole numbers
and decimals. Notes - Addition and Subtraction |
| Day 2 |
| Students will solve problems using
addition and subtraction. Students will write solution sentences
before solving the problem. Students will list the fact families for
their solution sentences. Students will use parentheses to identify
which problem to solve first in a multiple operation problem. CW - Addition and Subtraction problems using UPS-Check Additional Activities http://www.edu4kids.com/math Use base ten blocks to show regrouping Give the students a copy of a checkbook. Start with a beginning balance and give them a list of amounts to withdraw and deposit. Students can use grid paper to line up their decimals. Math Advantage – Lesson 2.1 – Adding and subtracting and using inverse operation Math Advantage – Lesson 2.2 – Subtracting – E Lab Math Advantage – Lesson 2.3 – Subtracting across zeros Math Advantage – Lesson 2.4 – Choosing addition or subtraction Math Advantage – Lesson 4.1 – Adding decimals – E Lab Math Advantage – Lesson 4.2 – Adding decimals using equivalent decimals Math advantage – Lesson 4.3 – Subtracting decimals Math Advantage – Lesson 4.5 – Choosing addition or subtraction DM-Riverdeep (Course III; Operations With Numbers; Addition and Subtraction of Whole Numbers; Whole Number Sums) P. 33-36 DM-Riverdeep (Course III; Operations With Numbers; Addition and Subtraction of Whole Numbers; Differences Between Large Numbers) P. 37-40 DM-Riverdeep (Course III; Decimals; Addition and Subtraction; Adding Decimals) P. 137-140 DM-Riverdeep (Course III; Decimals; Addition and Subtraction; Subtracting Decimals) P. 141-144 |