Fact Families
Regrouping
Vocabulry
Subtracting Across Zeros
Word Problems
100

Complete the fact family 

3+4=7

4+3=7

7-3=4

7-4+3

100
330-116=
214
100

What is a sum?

The answer to an addition problem 

100
300-107=
193
100
Ethan had 352 Pokemon cards. He gave 118 Pokemon cards to Wyatt. How many cards does Ethan have left?
352-118=234
200

Complete the fact family 

8-5=3

8-3=5


5+3=8

3+5=8

200
582-226=
356
200

What is data?

information 

200
500-328
172
200
Henry's book is 634 pages. He has read 562 pages so far. How many pages does he have left?
634-562=72
300

Which fact doesn't belong?

2+3=5

1+4=5

5-2=3

5-3=2

1+4=5

300
829-654=
175
300
When you are looking for the difference, do you add or subtract?

subtract 

300
403-255=
148
300
There are 636 blue and red balls in the school. 259 are blue. How many are red?
636-259=377
400

How many equations are in a fact family?

4

400
321-123=
198
400

Where would you find rows and columns? 

In a table 

400
708-249=
459
400
Mrs. McCulloch has 500 pencils. The class uses 428. How many pencils does Mrs. McCulloch have left?
500-428=72
500

Write a fact family for 1, 9, 10

1+9=10

9+1=10

10-9=1

10-1=9

500
723-485=
238
500

If a problem asks you how many more? Do you need to add or subtract to find the answer?

subtract 

500
903-526=
377
500
Junior planted 603 seeds in the ground. 408 of the seeds grew into flowers. How many seeds did not grow into flowers?
603-408=195
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