Word Problems
Jane likes to collect stuffed animals. In her collection, she has 5 brown teddy bears and 7 white teddy bears. How many stuffed animals does Jane have in total?
12 Teddy Bears
What is 18 - 6 =
Is it quicker and easier to count down or up?
12
It is best to count down from 18.
Use your doubles facts to complete this number sentence.
5 + 6 = __
11
5+5= 10, so 1 more is 11.
Use the 10 ten strategy to complete this number sentence.
6+8= ___
14
In a word problem, decide if the following word/phrase tells you that you need to ADD or SUBTRACT.
- in all
Add.
Can you think of an example of when we might use this phrase?
Lucy has 18 dollars in her piggy bank. At the store, Lucy buys a skipping rope for 13 dollars. How many dollars does Lucy have left in her piggy bank now?
5 dollars
What is 19-16?
Is it quicker and easier to count down or up?
3
It is better to count up from 16 until you say 19.
Use your doubles facts to complete this number sentence.
3 + 3 + 6= __
12
3+3=6, plus 6 more is 12.
Use the 10 ten strategy to complete this number sentence.
7 + 6 =___
13
In a word problem, decide if the following word/phrase tells you that you need to ADD or SUBTRACT.
- How many are left?
SUBTRACT.
This phrase means that something has been taken away.
Can you think of an example of a problem using this phrase?
Kate and her mom like to garden. Kate plants 6 purple flowers, 3 yellow flowers, and 7 pink flowers in her garden. How many flowers does Kate and her mom have in the garden in total?
16 Flowers
What is 12- 7?
Is it quicker and easier to count down or up?
5
It is easier to count up from 7 until you say 12.
Use your doubles facts to complete this number sentence.
9+9= __-
18
Use the 10 ten strategy to complete this number sentence.
5 + 9 =__
14
In a word problem, decide if the following word/phrase tells you that you need to ADD or SUBTRACT.
- how many remain?
SUBTRACT.
This means that something has been taken away.
Can you think of an example of a problem using this phrase?
Jerry the dog has a collection of dog bones in the backyard. All together, Jerry has 14 bones. One day, Jerry decides to bury 6 bones in the ground. How many bones does Jerry have left now?
8 bones
What is 18-9?
Is it quicker and easier to count down or up?
9
It is actually the same either way. We know this because 9 + 9 is 18.
Use your doubles facts to complete this number sentence.
8 + 7=___
15
8+8=16, so 1 less is 15.
Use the 10 ten strategy to complete this number sentence.
11 + 6 = ___
17
In a word problem, decide if the following word/phrase tells you that you need to ADD or SUBTRACT.
- both
ADD.
This means you are looking to see how "much" both of something make altogether.
Leo is doing an easter egg hunt with his sister. Leo has 12 eggs in his basket. Later, Leo gives 3 of his eggs to his sister. Then, Leo finds 4 more eggs and puts them in his basket. How many eggs does Leo have in his basket at the end of the hunt?
12-3+4=13
13 eggs
What is 12-14?
Is it possible?
No!
You can not take 14 away from 12. If you only have 12 blueberries, you can't possibly eat 14.
Use your doubles facts to complete this number sentence.
10+12=___
22
10+10=20, so 2 more is 22.
Use the 10 ten strategy to complete this number sentence.
12 + 8 = ___
20
In a word problem, decide if the following word/phrase tells you that you need to ADD or SUBTRACT.
- combine
ADD.
This tells you that you need to combine two groups/objects of something together.