vocabulary

vocabulary

2 digit addition

3 digit addition

4 digit addition

5 digit addition

100

anything plus zero equals the number again

What is the identity property

100

66+29

What is 95

100

123+100

What is 223

100

1,000+2,000

What is 3,000

100

10,000+10,000

What is 20,000

200

making a smart guess at what the answer of a problem is

What is estimation

200

42+18

What is 60

200

200+450

What is 650

200

1,250+2,250

What is 3,500

200

15,000+11,000

What is 26,000

300

the order of the numbers in a problem does not matter, the answer will stay the same

What is commutative property

300

73+65

What is 138

300

778+635

What is 1,413

300

5,000+2,369

What is 7,369

300

25,000+25,000

What is 50,000

400

no matter how you group a set of numbers, the answer will be the same

What is associative property?

400

38+72

What is 110

400

826+639

What is 1,465

400

5,458+2,256

What is 7,714

400

75,000+10,000

What is 85,000

500

to move the tens place value number over to the next place value

What is regrouping

500

98+89

What is 187

500

998+889

What is 1,887

500

8,889+9,999

What is 18,888

500

99,999+89,999

What is 189,998

Click to zoom