Addition Property
The answer to the addition sentence is called
1) add
2) addend
3) sum
4) subtraction
3) sum
Count on means to ____
1) add
2) subtract
1) add
Which one is the double facts?
1) 4 + 9 = 13
2) 3+3=6
3)3+4=7
4)4+6=10
2) 3+3=6
The answer to the subtraction sentence is called
1) addends
2) difference
3) minus
4) I don't know
Ciel has 4 red pens, 5 blue pens, and 1 black pen. How many pens does she have?
10 pens
What is the addends in the number sentence?
3 + 4 = 7
3 & 4
Your number is 9. Count back 2. What is the number?
7
1) 4+4=8
2)3+7=10
3)4+5=9
4)4+7=11
3)4+5=9
Subtract. Circle the problem if the difference is zero.
1) 9-3=____
2) 8-8=_____
1) 6
2) 0
Circle #2
Liam colors 5 papers every day after lunch. How many papers will he color after 4 days? Write the number sentence.
5+5+5+5=20
Write two addition facts using the numbers:
3 and 7
___ + ____ = _______
___ + ____ = _______
3 + 7 = 10
7 + 3 = 10
Draw the number line to show 14-9.
Show me the picture
Colin and Ejoon have 9 colored papers. Colin has one more paper than Ejoon. How many paper does Colin have?
5
The tennis team has 20 players. 10 platers leave the team. How many players are still on the team?
______
write related fact: ______ O ______ 0 ______
10
20-10=10
There are 6 tigers 3 elephants, and some lions at the zoo. There are total 14 animals at the zoo. How many lions are at the zoo?
5 lions
Aiden counts 10 goats AND sheep at the petting zoo. His sister Emily counts 6 goats. How many sheep are there? WRITE the number sentence.
______ + or - ______ = ______
6+4=10 or 10-4=4 sheep
Alynn has 5 Cinamoroll cards. She gets 5 more cards. Amy has 4 Pochaco cards. She gets 5 more cards. Does Alynn or Amy have more cards?
Alynn
1) Jihan bakes 18 cookies. He ate some cookies. He has 9 cookies left. How many cookies did Jihan eat?
2) Is this double facts? Yes/No
1) 9 cookies
2) Yes
Andy has 18 Pokemon cards. He lost some of them. Now he has 6 cards. How many cards did Andy lose?
12 cards
There were some toads in the pond. 3 more toads jumped in. 2 toads jumped out of the pond. There are now 6 toads in the pond. How many toads were in the pond to begin with?
5 toads
Alice's team scores 8 points in the first game. They score 4 MORE points in the second game. Write the number sentence to show the total number of points.
______ + _______ = ________
8 + 12 = 20
16 students are at the 1A class. All of them went outside and came back to start the math class. 2 of those students went to the bathroom. How many students are still in 1A class?
14 students
16 students were playing hide and go seek. 8 students were found. Then 2 more were found. How many students were still hiding?
6 students
Use some of these numbers to write two related facts.
6/ 12/ 13/ 6/ 7
1) ___ O____O____
2)___ O____O____
6 + 7 = 13
13-6=7
Lui got some books from the library. He got 4 more books yesterday returned 1 book today. Now he has 5 books. How many books did he have in the beginning?
2 books.