Odd or Even
An even number between 5-7
What is 6?
61 + 23 = ?
84
Alexander has 10 chocolates on Monday, 3 chocolates on Tuesday, and 9 chocolates on Wednesday. How many chocolates does he eat during the 3 days?
Step 1 - 10 + 3 = 13
13 + 9 = 22 chocolates (and a tummy ache!)
Who is the best teacher in the entire world?
Ms. Stepzinski, duhhhh!
What are the 4 even numbers between 0-10?
2, 4, 6, 8
Using a bar diagram, show where each number would go: 62, 33, 29
66 on top, 33 + 29 on the bottom
6 black cats and 5 orange cats are in the barn. How many cats are in the barn?
Then 8 cats leave. How many cats are left?
Step 1 - 6+5 = 11
Step 2: 11-8 = 3
Draw an array showing 4+4+4+4
16 dots, 4 columns and 4 rows
Create an array with 3 columns and 5 rows. Is this an even or odd number?
15 - odd!
Daniella wants to find 75-32 using place value blocks. Using tens and ones, solve.
Will she need to regroup to find the difference?
75 - 32 = 43 (check boards for correct set up)
Daniella will not need to regroup because she doesn't have to move a 10 over.
A flower shop has 54 roses. Then they sell 26 roses.
The flower shop gets 10 more roses. How many roses do they have now?
Step 1: 54-26 = 28
Step 2: 28+10 = 38
How many days are left until Christmas (as of 12.15.23)
10 days!
Christmas - 25th, 25 - 15 = 10
Choose Yes or Not to tell if the sum in each equation is an odd number.
3+9 = 12, 9+8 = 17, 8+8 = 16, 5 +6 = 11
9+8 = 17
5 +6 = 11
Milo has 29 pencils. He buys some more. Now Milo has 68 pencils. How many pencils does Milo buy?
68-29 = 39
OR
29 + 39 = 68
Ms Chan has 62 apples. She gives away 28 apples. How many apples are left?
Ms. Stepzinski gives Ms. Chan 13 more apples. How many apples does Ms. Chan have now?
62 - 28 = 34
34 + 13 = 47
Main equation: 47-18 = 29.
Will uses compensation to make an easier problem. He adds 3 to 47 and adds 3 to 18 to make 50-21. Will says 29 children are left. Is will correct?
Yes he is correct because 3+47 = 50 and 3+18 = 21, and 50-21 = 29.
Create a 2 digit number using two ODD numbers
Example: 35 + 47 = 82
Check answers.
Draw a number line on your whiteboard to show the equation 54-32.
Check board for response.
Aylin needs 76 beads to make a necklace. The colors of the beads she needs are red, yellow, and blue. She has 29 red beads and 21 yellow beads. How many blue beads does Aylin need?
Step 1 - 29+21 = 50
Step 2: 76-50 = 26
Write a short number story for 83 - 23 = ? Solve your equation and read the story.
Check story.
83-23 = 60