Addition Strategies
Explain the rule:
5+0
2+0
7+0
When we add 0.....
Explain the rule:
5-0
8-0
3-0
When we add 0....
What is 7+6?
13
What is 6-5?
1
Kat drank 3 cups of lemonade yesterday. She drank 5 today. How much did she drink in all?
8 cups of lemonade
What do these have in common?
6+6
8+8
3+3
Doubles or x2
Explain the rule
12-10
15-10
18-10
When we subtract 10...
What is 9+7?
16
What is 9-4?
5
Rowen had 8 math and science books. 6 of the books were math books. How many were science books?
2 were science books
Explain the rule for these.
10+3
10+4
10+8
When we add 10...
What are the answers:
5-1
7-2
9-3
4, 5, 6
What is 8+2 = ____+6?
4
What is 18-7?
11
Jabez drank 12 chocolate milks in one week. If he drank 5 fewer the week before, how many did he drink the week before?
7 chocolate milks
What do these have in common?
7+3
9+1
4+6
Each sum equals 10.
What's the answer?
7-6
8-7
4-3
1
What is ____+5=12+6?
13
What is 6-2 = _____-8
12
Logan read 5 pages on Tuesday and 2 pages on Wednesday, 3 pages on Thursday and 3 pages on Friday. How many pages did he read in total?
12 pages
What do these have in common?:
7+1
4+4
5+3
The sums all equal 8.
What is the addition fact for these numbers?:
11-4
4 + 7 =11
What is 16+5 = ____+13?
8
18-____ = 13-7
12
Madai bought 2 bags of candy that had 12 pieces of candy in each bag. How many pieces of candy does she have?
24 pieces of candy