One Digit
Two Digits
Three Digits
Four Digits
Problem-solving
100
WHat is 9-2?
7
100
25-13
12
100
312-147
165
100
1234-876
358
100

True or False: The answer to a subtraction problem is called the difference.

True

200
6-5
1
200
65-29
36
200
758-91
667
200
2139-611
1528
200

Name three words that can be used as addition clue words.

Increase, add, both, plus, how many in all, in all, altogether, etc.

300
7-4
3
300
91-27
64
300
859-169
690
300
3481-455
3026
300

They have 20 pets. We have 16 pets. What is the difference in amount of pets?

Subtraction

400
2-2
0
400
82-64
18
400
999-666
333
400
7763-422
7341
400

Nick has 6. Landen has 7. How many do they have altogether?

add, 13

500
9-8
1
500
99-48
51
500
987-485
502
500
6157-437
5720
500

Addition or subtraction: Kim has 20 crystals. She buys 40 more crystals. She then gives away 10 of her crystals. How many crystals does she have now?

Addition and subtraction, because they use "buys" and "gives away."

M
e
n
u