Vocabulary
tens
something with tens parts or units
Write an even number between 4 and 8. Draw a picture and explain how you know it is even.
4,6,8
I know this is even because you can draw it out, and they each have a partner. I also know this is even because 0,2,4,6,8 are all even numbers.
Describe the number 55 in two ways.
5 tens and 5 ones
50 + 5 = 55
What is the value of the digit 1 in the number 41?
The value of the digit is 1 because it is in the ones place.
Count by 10's after this number 280, , , ,
280, 290, 300, 310, 320
ones
a single unit or object
Give a 2-digit number that is even
20, 22, 24, 26, 28
Describe the number 62 in expanded form.
60 + 2= 62
What is the value of the 8 in the number 82?
The value of the 8 is 80 because it is in the tens place.
Count by 10's up to 100.
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
even
something that can break into equal groups
Choose which number is even and explain why.
52, 25, 33, 17
52 because there is a 2 in the ones place, and 2 is an even number. (2 is an even number because it has a partner).
Describe the number 27 in 2 different ways.
twenty - seven
20+7=
2 tens and 7 ones
What is the value of the 5 in the number 54?
The value of the 5 is 50 because the 5 is in the tens place.
Count by 5's
5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100
odd
something that doesn't break into equal groups.
Choose which number is odd, and explain why.
12, 15, 24, 28, 32
The number 15 is an odd number because there is a 5 in the ones place and 5 is an odd number.
Look at the number 13, how many tens and how many ones are in this number?
1 ten and 3 ones.
Dan has a favorite number. His number has a 8 in the ones place, and a 5 in the tens place. What is the number? And what is the value of the 8?
The number is 58, and the value of the 8 is 8 ones because the number is in the ones place.
Continue counting by 10's starting with 150, ...,....,...,
Give three more numbers.
150, 160, 170, 180
digits
Any of these numbers 0,1,2,3,4,5,6,7,8,9
Mary has an even number of shells and an odd number of rocks. How many shells and rocks can Mary have?
0, 2, 4, 6, 8 are even (any number that has this in the ones place).
1, 3, 5, 7, 9 are odd (any number that has this in the ones place).
Look at the number 56, how many tens, and ones? What is this number in expanded form?
5 tens and 6 ones
50 + 6=
What is the value of the 1 in the number 18?
10 because the 1 is in the tens place.
Which one shows counting by 5's?
1. 25, 30, 35, 40, 45
2. 10, 20, 30, 40, 50
3. 2, 4, 6, 8, 10, 12
1. 25, 30, 35, 40, 45