Week 7 – Lesson 1 (Addition)

Grade: 3
Date: November 16, 2020
Subject: Mathematics
Topic: Addition with Carrying

Here are some terms that tell you add:
Addends refer to the numbers that are to be added.
SPELLING WORDS
Plus, add, sum, total, add together and
altogether
Example 1: 68 + 94
Step 1         Tens        Ones
                6 (+1)       8
                +9           4
                _______________ 
                16            2
Step2            8+4 = 12 =1 ten and 2 ones
Step3           2 ones are written under the ones column and 1 ten carried to tens
                     Column
Step 4         Add all the digits under the tens column
                     9 + 6 + the 1 carried ten
                     = 16 tens is the same as 1 hundred 6 tens
           Therefore the above is 162
Example 2:    Tens          Ones
              8 (+1)          9
              + 4             5
              __________________
              13              4
Activity:
1. 86 + 87         5. 38 + 65
2. 97 + 16         6. 76 + 19
3. 67 + 89         7. 46 + 79
4. 26 + 3            8. 83 + 39