Math Review

Addition

100

3456+1234=

4690

200

8659+2552

11,211

300

4545+4545

9090

400

25654+34565

60,219

Subtraction

100

764-643

121

200

8745-6856

1889

300

3257-2268

989

400

34,000-12,454

21,546

Word Problems

100

Scooby and Shaggy have 4,340 scooby snacks all together. If Scooby eats 2,552 of them, how many are left?

1788 scooby snacks.

200

If I have 934 more Kripsy Kremes than you, and you have 3,676, how many Krispy Kremes do I have?

4610 Krispy Kreme

300

Mr. Richard is 10,408 days old, if a 4th grader turned 10 today, they would 3,652 days old. How many more days have I been alive?

6,755 more days. 

400

If I wanted to walk back to my house in Minnesota, USA, it would be about 3,100 kilometors. If I wanted to walk to Cancun, it would be 1,600 kilometers. How much further is Minnesota?

Minnesota is 1,500 kilometers further.

Estimation

100

Round to the nearest tens place. 594

590

200

Round to the nearest hundreds place 3456

3500

300

Round to the nearest thousands place. 2,397

2,000

400

Round to the nears thousands place. 23,721

24,000

Place value

100

What is the value of 4 in 504

The value is 4

200

What is the value of 3 in 4,304

The value is 300

300

What is the value of 7 in 70,394

The value is 70,000.

400

What is the value of 8 in 804,309?

The value is 800,000