Doubles
Which 2 doubles would you use to solve 6+7?
6+6+1 = 13
15
Find 15-4.
11
Killian has 9 flowers to plant. He plants 2 flowers before lunch. Then he plants 3 more after lunch. How many flowers does Killian have left to plant?
Killian has _______ flowers left to plant.
4 flowers.
(Picture graph) How many friends choose dogs?
6
Solve 4+5 using the doubles strategy.
4+4+1 = 9
What is 5+6?
11
2 Which equations are in the same fact family as 15 = 9 + 6?
A 9 − 6 = 3
B 15 − 6 = 9
C 15 = 6 + 9
D 15 = 10 + 5
E 15 − 9 = 6
B C E
Luca has 5 crayons. His sister gives him 6 more. Then he gives 4 to a friend. How many crayons does Lucas have now?
Luca has _______ crayons.
7 crayons.
(Bar Graph) How many fewer friends like beans than carrots?
2 friends.
Solve 9+8 using the doubles strategy.
8+8+1 = 17
What is 9+5?
14
Show how to find 15-6.
There are 7 children in the class. Then 4 more children join the class. 3 children leave the class and go to the library. How many children are in the class now?
There are _______ children in the class.
8 children.
How many friends choose dogs or horses?
10.
Which number would you double to add 3+4?
3
Which of these can be used to solve 7 + 8? Choose all the correct answers.
A 8 + 8 + 1
B 7 + 7 + 1
C 7 + 3 + 5
D 10 + 4
E 10 + 5
B C E
Bella bakes 17 cookies. Her family eats 9 cookies. How many cookies are left? Can this equation be used to help you solve this problem? Why?
17 + 9 = ?
False. We need to subtract 17 - 9. Not add.
Bella draws 5 blue stars and 7 green stars on her paper. Then she draws some yellow stars. Now there are 18 stars on her paper. How many yellow stars does Bella draw?
Bella draws _______ yellow stars.
6 yellow stars.
(Picture Graph) How many fewer friends choose ducks than dogs?
4 friends.
True or False you would double the number 7 to solve 6+7.
False. You would double the 6.
Mason makes 6 cards for his family. He makes 9 cards for his friends. How many cards does he make in all?
15
Find 17-4.
13.
Ms. Zabel puts 15 pencils in her desk. Then she takes out 9 pencils. After school she puts 5 pencils back in her desk. How many pencils are in Ms. Zabel's desk now?
There are _______ pencils in the desk.
11 pencils
How many friends voted for their favorite vegetable in all?
11 friends.