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Addition
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Subtraction
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Word Problems
100

Solve this addition problem using your place value chart.

460+200

660

100
Which strategy is most efficient to add?

Answers may vary

100

400-361

39

100
100 more than 250 is....

350

100

Sydney built a tower with 38 blocks. She used 19 more blocks than Hali. How many blocks did Hali use?

Hali used 9 blocks.

200

Solve this problem using vertical form


267+545

812

200

What is the first step in solving an addition problem using your place value chart?

The first step is to model the numbers on the place value chart
200

361-158

203

200

100 less than 190 is

90

200
Chase ate 34 skittles on Monday, 68 on Tuesday, and 46 on Wednesday. How many skittles did he eat altogether?

He ate 148 skittles.

300

Solve this problem using vertical form


756+136

892

300

What do you do if you have 10 ones in your ones place on the place value chart?

When you have 10 ones on the place value chart you have to make a ten by bundling them and moving them to the tens place. 10 ones make 1 ten.

300

629-538

91

300

10 less than 516 is...

506

300

The grocer sold 45 melons on Thursday, 35 on Friday, and 116 on Saturday. How many melons did the grocer sell?

The grocer sold 196 melons.

400

Solve using the arrow way


470+390

860

400

How do you model making a new unit when using vertical form? Ex. 46+24

You have to put the new unit on the line under the place value. For example, if you are making a ten, put the ten on the line under the tens place. 

400

463-186

277

400

10 more than 678 is....

688

400
132 people were on the bus. 85 people got off. How many people are still on the bus?

47 people are still on the bus.

500

575+345


Solve the best way you know how

920

500

Explain how you solve 467+298 using place value language?

You would begin in the ones place and add 7 ones and 5 ones. This makes 15 ones.

You will add 6 tens and 9 tens and add in 1 ten. This makes 16 tens.

You will add 4 hundreds and 2 hundreds and add 1 hundred, this makes 7 hundreds.

Answer: 765

500

905-374

531

500

787, 777, 767,___, 747, 737


Fill in the blank

757

500

Taylor had 145 paper clips in her box. She used 96 of them. How many paper clips does Taylor have now?

Taylor has 49 paper clips left.