Vocabulary
Mental Math Facts
Addition Without Regrouping
Addition With Regrouping
Place Value
100

Multi Digit Addition 

Adding with numbers more than 2 digits. 

100

2+5=

7

100

234+122=

356

100

255+615=

870

100

What place value is the number 2 in 12?

ones place 

200

Digit

Numbers 0-9

200

4+4= 

8

200

456+312=

768

200

336+244=

580

200

What place value is the number 3 in 34?

tens place 

300

Place Value

The value of the digit based on its position in a number. 
300

6+4= 

10

300

214+645=

859

300

279+132=

411

300

what place value is the number 5 in 1,548?

hundreds place

400

Carrying 

Transferring a digit from one place value column to the next when adding numbers. 

400

5+6= 

11

400

1,371+3,428= 

4,799

400

782+108=

890

400

What is the place value of 7 in 17,980?

thousands place

500

Regrouping 

Process where groups of ten are moved to a different place value while performing either addition or subtraction. 

500

9+8= 

17

500

6,245+2,132=

8,377

500

999+213=

1,212

500

what is the order of place value when we complete multi digit addition equations?

ones place, tens place, hundreds place, thousands place.