Vocabulary
Easy Peesy
Lemon Squeezy
Regrouping
Final Jeopardy
100

Something that makes sense when facts are taken into account.

Reasonable

100

100+99+1=?

200

100

5621+1999=

7620

100

TEN HUNDREDS regroups to what?

1 THOUSAND

100

What is the result of an addition problem?

Sum

200

A number being added.

Addend

200

The SUM of 1000 apples and 500 apples.

1500 apples

200

9,999 + 9,999=

19,998

200

10 TENS regroups to what?

1 HUNDRED

300

To give an approximate answer based on mathematical thinking.

Estimate

300

9,999 plus 1,001 equals what sum?

11,000

300

1,111+1,111=

2,222

300

How many TENS in 1 HUNDRED?

10

400

Compose or decompose ones, tens, hundreds, thousands, and so forth.

Regroup

400

The sum of 10 MILLION and 5 HUNDRED THOUSAND.

1,500,000 

400

5,679+3,456

9,135

400

How many HUNDRED THOUSAND in 1 MILLION?

10

500

A set of routine steps used to solve problems.

Algorithm

500

True or False: 1 million is a REASONABLE estimate to the sum of 557,975 and 432,568.

True

500

True or False: The biggest SUM you can ever have is 999,999,999,999,999,999.

False

500

How many HUNDREDS in 10 THOUSAND?

100