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Add It Up
Subtract It Down
Rounding
Key Words
Review
100
3,674 + 4,369=
What is 8,043
100
8,715 - 5, 923=
What is 2,792
100

Round to the nearest 100:

275

300

100
Sum
What is add
100
Round 25,196 to the nearest thousand
What is 25,000
200
6,000 + 3,173=
What is 9,173
200
6000-2,173=
What is 3,827
200

Round to the nearest thousand:

2,477

2,000

200
Total
What is add
200

Write in standard form: 50,000 + 80 + 3

What is 50,083

300
5,215 + 3,107=
What is 8,322
300
9,534 - 4,085=
What is 5,449
300
Round to the nearest ten:

1,234,567

1,234,570

300
Difference
What is subtraction
300

Compare the values of the 3 in the hundreds to the 3 in the tens:

2,331

It is 10 times more.

400
43,674 + 3,372=
What is 47,046
400
18,143 - 5,923=
What is 12,220
400

Round to the nearest thousand:

25,000

25,000

400

What is a sum?

The answer to an addition equation.

400
Use <,>,= 237,325 _____ 237,352
What is <
500
2,869 + 25,946=
What is 28,815
500
The difference in 8,125 and 15,219
What is 7,094
500

Round to the nearest thousand:

29,999

30,000

500
How much taller?
What is subtraction
500

Write in standard form: eight hundred nine thousand, sixty-two

What is 809,062