Even/Odd Numbers
Is 9 even or odd?
odd
What is the value of 2 in 27?
20
Count on by 1s.
31, 32, 33, ______
34
Count on by 1's. What number comes after 341?
342
Maria has even number of red crayons and odd number of purple crayons. Which can be a correct combination?
7 red crayons 2 purple crayons
8 red crayons 5 purple crayons
8 red crayons 5 purple crayons
Is 18 even or odd number?
How do you know?
Even
Each number has a pair or two equal groups: 9 +9=18
What is this number?
5 ones 8 tens
85
Count on by 5's
75, 80, 85, _____
90
Count on by 10's.
345, 355, 365, ________
375
Jacob lives on Junction Boulevard. His address has the digit 5 in the tens place and the digit 3 in the ones place. What is his address?
53 Junction Boulevard
Is this showing an even number? How do you know?
OO OO
OO OO
OO OO
Yes this is even number.
2+2+2+2+2+2=
6+6=
Write 74 as a number sentence.
70 +4=
Count on by 10's.
46, 56, 66, ______
76
Is this showing skip counting by 5's? YES OR NO. How do you know?
220, 225, 226, 227
No
Skip counts by 5 then skip counts by 1's
Dulce counts by 1's to 25. Joel counts by 5's to 25. Who says more numbers? How do you know?
Dulce says more numbers.
1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11, 12 ...25.
5, 10, 15, 20, 25
Is 17 even or odd number?
Show with picture and number sentences to explain your answer.
Odd.
Shows with ten frames that one doesn't have a pair.
2+2+2+2+2+2+2+2+1
8+8+1=
Write 62 in word form
sixty-two
Count on by 100's.
100, 200, 300, ______
400
Alan starts at 290 and then counts by 10's. What numbers does she count?
290, ________, _________, _________, _________
300, 310, 320, 330,
Ms. Levin went apple picking and collected 32 apples! She collected them in bags of 10 apples and single apples. Show all the different ways Ms. Levin can gather the apples?
3 bags 2 single apples
2 bags 12 single apples
1 bag 22 single apples
0 bags 32 single apples
Students may also show in number sentences
Show a picture to show that it is odd. Also show a number sentence to show it is an even number!
uses ten frames and shows pairs and equal groups
shows a number sentence with a double fact to show even number
Draw a picture to show the number 52
picture using tens and ones
5 tens and 2 ones
Count on by 100's
413, 513, 613, _____
713
Ximena starts at 331 and county by 100. What are the numbers Ximena will say?
331, _______, _________, _________, ________
431, 531, 631, 731
Melanie has a favorite number. It has a digit less than 6 in the tens place. It has a digit greater than 8 in the ones place. What can be her number?
Show two different answers.
59
49
39
29
19