Three-Digit and Four-Digit Addition

Place Value

100

How many place values are in this number?

565

3

200

What are the place values found in 3,689? (Ex. tens, ones...etc.)

Thousands, Hundreds, Tens, Ones
1000s, 100s, 10s, 1s

300

Draw base blocks for the number 324.

You should have 3 flats, 2 rods, and 4 units.

400

Are the place values aligned when adding these numbers, 1024 + 360? True or False.

      1024
     +  36
   

False

It should be       1024
                      +  360

500

Write out this number in standard form...3 Thousands, 2 Hundreds, 4 Tens, 3 Ones, 7 Tenths

3243.7

Number Line Three-Digit

100

305+520=?

825

200

477+122=?

599

300

712+534=?

1246

400

525+307=?

832

500

498+386=?

884

Standard Algorithm Three-Digit

100

525+123=?

648

200

695+223=?

918

300

706 + 139= 935, True or False?

    706
+  139
_______

    935

False. 706 + 139= 845

400

567+235=?

802

500

23.7+35.4=?

59.1

Number line Four-Digit

100

1231+15=?

1246

200

5944+1223=?

3501

300

1256+2032=?

3288

400

2505+2610=?

5115

500

3886+2181=?

6067

Random Choice

100

1504+204=?

1708

200

4605+1212=?

7167

300

True or False.
  6342
+ 920
_____
 7262

When I add the hundreds column, that means 300+900=1200. I regroup the 1 to the thousands place because the 1 in 1200 is in the thousands place.

True

400

Write the number in expanded form:

514,296

500,000+10,000+4,000+200+90+6

500

What are the 5 rules for number line addition:

1. Find the bigger number

2. Plot the large number on the left

3. Show the other number in expanded form

4. Make the jumps on the number line

5. The last number is your SUM