Addition Vocabulary - Lesson 1 Week 1

​Addition Vocabulary – Different Words for Addition

By Indya McMorris

Success Criteria: 

I can write my own word problem using different addition words.

I can solve a problem when it uses addition vocabulary.

I can match different words to the addition sign (+).

Multiple Choice

The total of 246 and 389 is needed. What does “total” tell you?

• Subtract the numbers

• Add the numbers

• Multiply the numbers

• Divide the numbers

Multiple Choice

Find the sum of 132 and 217. How do you know this is addition?

• The word “sum” tells you to add

• The numbers are big

• Multiply the numbersSum means subtract

• Sum means divide

Multiple Choice

What is this question asking you to do?

There are 175 boys and 163 girls. How many students are there altogether?

• Subtract 175 – 163

• Multiply 175 × 163

• Add 175 + 163

• Divide 175 ÷ 163

All of these words mean we are putting things together

We are adding!

​

Add, plus, sum, total, altogether, increase, in all, combined, plus, - What do these words mean?

“Addition Words Chant”

Add and plus, sum and more,
Total, altogether, that’s for sure!
Increase, combined, in all we see,
Addition words are fun for me!

Optional rhythm: Clap on each line or tap your desk for fun

• First, I read the problem carefully.”

• “I notice the word ‘
  _______.’ What does ‘______’ mean? Think pair share.

• Write the number sentence then solve it

What do I need to do?

1. If I have 3 pencils and 2 pens, how many writing tools do I have altogether?

2. What is the sum of 12 and 15?

3. Combine 23 red marbles and 15 blue marbles. How many in all?

Let's look at these question together

Tom has 7 red cars and 5 blue cars. How many cars does he have altogether?

Model underlining the word.

Ask students to come up with the number sentence together

Multiple Choice

How many words can you find that means addition?

Yesterday, Mia collected 4 leaves in the park. She added 3 more leaves to her collection. Her brother gave her 2 extra leaves, so she has more now. If we plus the small flowers she found, the sum of all her treasures will be amazing. Altogether, Mia can combine the leaves and flowers in a jar. The total number of items will increase as she keeps collecting. In the end, Mia counted all the leaves, flowers, and pebbles in all, and she was proud of her collection.

• 5

• 10

• 8

• 6

Sorting Activity (Math books)

Two columns Tchart: Addition Words / Not Addition Words

Words: add, plus, altogether, combined, subtract, minus, difference, fewer, less, take away, reduce, decrease, increase, in all, total, more, joined, grow

Teacher Talk: “Let’s look at these words. Which words tell us to add? Why?”

“Which words tell us NOT to add? Why?”

Call on students to explain reasoning.,

Independent / Guided Practice

Answer questions using 1-step word problems using addition vocabulary:

Teacher Talk: Guide students to read problem first.

Ask: “Which word tells you what to do?”

Model writing the number sentence.

Students solve independently or in pairs.

​Challenge: Create your own word problem using at least 2 addition vocabulary words.



Teacher Talk: Model an example first:
“I have 12 pencils and 8 pens. Altogether, how many writing tools? Now you create your own problem using words like ‘sum’ or ‘combined.

Independent / Guided Practice - Hexagon

​1. A box can hold 27 apples. Today, 5 apples were added. Some oranges were also placed in the box. How many apples are in the box now?

2. Hana had 46 stickers. She gave away 12 to her friend. Later, she bought 7 more stickers plus a notebook. How many stickers does Hana have now?

3. Sum The sum of the red marbles 38 and the blue marbles 6 gives the total number of marbles. Green marbles are not counted. How many marbles are there in total?

A train has 28 passengers in one carriage and 7 more in another carriage. The rest of the train is empty. How many passengers are on the train altogether?

5. Sami collected 34 shells on the beach. His sister found 9 shells and 3 stones. What is the total number of shells they found?

6. In all There are 29 books on the shelf. 7 more were placed there, while 4 were moved to the teacher’s desk. How many books are on the shelf in all now?

7. Increase The garden had 41 flowers. The gardener planted 6 more to increase the number, but 3 dried out. How many flowers are in the garden now?

Exit ticket

Multiple Choice

The total of 246 and 389 is needed. What does “total” tell you?

• Subtract the numbers

• Add the numbers

• Multiply the numbers

• Divide the numbers

Multiple Choice

Find the sum of 132 and 217. How do you know this is addition?

• The word “sum” tells you to add

• The numbers are big

• Multiply the numbersSum means subtract

• Sum means divide

Multiple Choice

What is this question asking you to do?

There are 175 boys and 163 girls. How many students are there altogether?

• Subtract 175 – 163

• Multiply 175 × 163

• Add 175 + 163

• Divide 175 ÷ 163