Subtraction
What is 9-3?
6, make sure you have a strategy!
What is 14+5=, show me using a strategy
19, show me your strategy
What is 10-4, show me on a number line
6, with your number line!!
Use the doubles + 1 strategy, make an equation and solve 3+4=?
3+3+1=7
Show me using any strategy to find 15-7=
8, with your strategy!
Use the doubles + 1 strategy, make an equation and solve 5+6=?
5+5+1=11
Show me the two equations I need to make a ten to solve 14-6=? (hint: pickle math equations)
14-4=10
10-2=8
A toy shop has 8 dolls and 5 bears for sale. How many dolls and bears does the shop have for sale in all?
Draw a bar model, write an equation, and solve showing a strategy.
Draw a bar model, 8+5=?, 13 is the answer
There are 13 books on a library shelf. Then 7 of those books are checked out. How many books are left on the shelf?
Fill in the number bond and write 3 equations that could be used to solve.
13-7=?
13-?=7
7+?=13
?+7=13
The answer is 6 books left on the shelf.
Which of these equations is using the make a ten strategy to find the sum (the answer)
A) 8 + 8 = ?
8 + 2 + 6 = 16
B) 6 + 8 = ?
6 + 2 + 6 = 14
A) 8+8=?
8+2+6=16