number bonds
expanded form
word problems
Add and Sub
Is it correct
100

Part is 11.  Whole is 20.  What is the missing part? 

The value of the missing part is 9

100

100 +  20  + 3 is ______________

123

100

Paul had 32 pokemon cards and sold some of them.  He now has 28.  How many pokemon did Paul sell? 

Paul sold 4

100

42 + 31 = 

73

100

839 - 398 = 561

561 is not the correct answer
200

Whole is 30.  Part is 15.  What is the value of the missing part? 

The missing part value is 15

200

200 + __?__ + 8 = 288 

What is ?

? is 80

200

Tyler had 100 dollars.  He gave 50 dollars to his sister to buy a gift.  How much money does Tyler have left? 

Tyler has 50 dollars left

200

21 + 18 = 

39

200

If I know that 23 + 55 = 78 then I should know that 78-23 = 55 

True or false

True

300

Whole is 100.  Part is 38.  What is the value of the missing part? 

The value of the missing part is 62

300

Write 529 in expanded form.

500+ 20+9

300

Alyssa was feeling generous and decided to donate to several charities.  She gave the Arnold Food Pantry 20 dollars, Church 45 dollars, and Ronald McDonald House 30 dollars.  Alyssa started with 100 dollars, how much money does she have left? 

Alyssa has 5 dollars left? 

300

429 - 150 =

279

300

500 - 289 = 321

no this is not the correct answer.  The answer is 211

400

Part is 57. Part is 28.  What is the whole value? 

The whole value is 85

400

What is the expanded form for 708?

700 +0+ 8

400

Alyssa earned 350 dollars from working over the Thanksgiving break.  David earned one hundred fewer dollars than Alyssa.  Tyler earned 30 dollars less than David. How much did Tyler earn? 

Tyler earned 220 dollars

400

659 + 258 =

917

400
If I know that 250 + 250 = 500 then I should know that 500 - 250 = 250
This is correct
500

part is 29.  The Whole is 83.  What is the value of the other part? 

The value of the other part is 54.

500

What is the value of this expanded number?  

200 + 100 + 20 + 20 + 2 +4 = ?

? = 346

500

Your teacher loves coffee from Starbucks but it can be expensive.  If she buys a coffee a day for 10 days how much money will she spend on coffee?  A coffee cost 7 dollars. 

The teacher will spend 70 dollars on coffee.

500

800 - 359 =

441

500

42 + 31 = 73 is the same as 31 + 73 = 42

no this is not correct