Addition
Subtraction
Place value
Word problems
100

15+25

40

100

23-9

14

100

What digit is in the tens place? What is the value of the digit? 

308

0 TENS

100

What do we draw when we want to  make sense of a word problem?

Tape diagram or number bond

200

Solve using place value or standard algorithm.

119+27


146

200

161-158=

3
200

USE A PLACE VALUE CHART TO SOLVE 

165-28= 

137

200

Ms. Davidson has 43 pencils. 

Mr. Smith 29 more pencils than Ms. Davidson.

How many pencils does Mr. Smith? 

Mr. Smith has 72 pencils 

300

141+9+25= 

175

300

32+____=155

155-32= 123

300

use a place value chart to solve 

102-88= 

14

300

There are some toys at the school store.

1st grade brought 42 toys.

Now there are 48 toys at the schools store.

How many toys were at the school to start?

90

400

29+27+23+11= 

90