L1 Sep. 29
Presentation
•
Mathematics
•
1st - 2nd Grade
•
Easy
+7
Standards-aligned
Kimberly Harlan
Used 5+ times
FREE Resource
17 Slides • 11 Questions
1
Let's get READY for MATH!
2
Which one doesn't belong?
Take a look at the picture. Which one do you think doesn't belong? Why do you think that?
3
10 more than 34
4
10 more than 104
5
10 more than 88
6
10 less than 68
7
10 less than 21
8
10 less than 64
9
You can subtract a multiple of ten from another multiple of ten.
Open your book to pg. 128
Let's subtract
50-20= ?
10
Another way to show it...
Let's subtract
50-20= ?
11
Or you can use a diagram...
Let's subtract
50-20= ?
12
Choose a way to solve...
70-30=?
13
Work problems 1-4 on page 125.
We will check them together.
14
Multiple Choice
50-40=?
Can you explain how you solved it?
90
20
10
1
15
Multiple Choice
60-20=?
Can you explain how you solved it?
80
20
40
30
16
Multiple Choice
90-80=?
Can you explain how you solved it?
100
20
30
10
17
Let's look on page 130
80 - __ = 60
What goes in the blank? How do you know?
18
Multiple Choice
__ - 10 = 30
Can you explain how you got your answer?
40
50
20
10
19
Multiple Choice
30 = 90 - __
Can you explain how you got your answer?
20
60
40
30
20
Multiple Choice
70 - __ = 20
30
20
50
10
21
Let's work this together!
22
Work this problem. We will discuss it together!
23
Multiple Choice
Kerri is counting how many dog toys are in the store; she needs to reorder when there are less than 10 dog toys left. There only 5 dog toys left on the shelf and there are 12 dog toys in the storage area. How many dog toys are there in the store?
10 dog toys
15 dog toys
5 dogs toys
17 dog toys
24
Multiple Choice
There is a special sale for cat food. On the shelf, there are 15 cans of cat food and 12 cans of dog food. If Max moves 16 more cans of cat food to this shelf, how many cans of cat food are there on the shelf?
27 cans
31 cans
28 cans
12 cans
25
Multiple Choice
The waiters are too busy to clean the tables. There are 30 tables in the restaurant. 15 of the tables are taken; the rest are empty but 9 of them are dirty. Olivia quickly cleans 3 tables. How many tables are available at the moment?
15 tables
10 tables
6 tables
9 tables
26
Multiple Choice
13 waiters are supposed to be at work. But 4 of them called in sick. Olivia managed to call two extra waiters to come in to work. How many waiters are working today?
12 waiters
10 waiters
11 waiters
9 waiters
27
Poll
How do you think you did today's skill?
GREAT!
I might need some practice.
I am a little confused.
HELP!
28
Homework
Pages 131 - 132
Let's get READY for MATH!
Show answer
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