Adding/Subtracting
How many tens?
How many ones?
Comparing Numbers
Adding 2 digit numbers
Tally Marks
100

3+3=

6

100

How many tens are in 

49?

4 tens

100

Which equation is right?

a) 64<79

b) 64=79

c) 79<64

a) 64<79

100

22+34=

56

100

Jen got three different types of cool erasers. Which eraser has the most?

Animal Erasers: / / / /

Ice Cream Erasers: / / /

Yellow Erasers: / / /



Animal

200

5+7=

12

200

How many tens are in 39?

3 tens

200

Which equation is right?

a) 55=99

b) 99>79

c) 45<35

b) 99>79

200

35+64=

99

200

Students voted on their favorite ice cream flavor. What is the least liked flavor?

Vanilla: / / / / / / / 

Chocolate: / / / / /

Strawberry: / / /

Strawberry

300

10-3=

7

300

How many tens are in

99?

9 tens

300

Which two equations are right?

a) 64<79

b) 64=32

c) 39<94

a) 64<79
c) 39<94

300

What does this equal?

/ / / / / . . . . + / / / . . . =

87

300

Students voted on their favorite ice cream flavor. What is the most liked flavor?

Vanilla: / / / / / / / 

Chocolate: / / / / /

Strawberry: / / /

Vanilla

400

8+6=

14

400

How many tens and how many ones are in 

73?

7 tens 3 ones

400

Write an equation on your white board using these two numbers:


78 and 39

78>39

400

45+22=

67

400
On your whiteboard, show me 9 tally marks.

Teacher shown

500

10+9=

19

500

How many tens and ones:

/// . . . .

3 tens and 4 ones

500

Write an equation on your white board using these two numbers:


35 and 59

35<59

500

What does this equal?

/ / / / / . . . . + / / / / . . . . =

98

500

On your whiteboard, show me 15 using tally marks.

Teacher will show