Adding Tens
Adding Hundreds
Adding Tens and Ones
Adding Multiples of 10
Look for a Pattern
100

Add using mental math. 40 + 42 =

82

100

Add the hundreds. Use mental math. 170 + 400 =

570

100
Add using mental math. 41 + 24 =
65
100

Add using mental math. 550 + 130 =

680

100
Find the PATTERN and the NEXT 2 NUMBERS: 65, 55, 45
-10 35, 25
200
Add using mental math. 53 + 30 =
83
200

Add the hundreds. Use mental math. 380 + 500 =

880

200
Add using mental math. 53 + 15 =
68
200

Add using mental math. 420 + 230 =

650

200
Find the PATTERN and the NEXT 2 NUMBERS: 2, 7, 12
+5 17, 22
300

Add using mental math. 135 + 40 =

175

300

Add the hundreds. Use mental math. 490 + 300

790

300
Add using mental math. 62 + 25 =
87
300

Add using mental math. 120 + 250 =

370

300

Find the PATTERN and the NEXT 2 NUMBERS: 110, 120, 130

+10 40. 50

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