Hard Subtraction

45 - 39 =

• 84
• 14
• 6
• 0

How do you regroup a ten?

• move one ten to the ones column
• move the ones to the tens column
• change all tens to ones

If a math problem asks you to find the difference then you will do what?

• Add
• Subtract 
• Multiply
• Divide

Coco the Clown was making balloon animals at a birthday party.  26 children wanted dog balloon animals and 17 wanted bears.  How many more dog balloon animals were made than bears?

• 43
• 33
• 8
• 9

154 - 72 =

• 76

• 82

• 31

• 226

The Zoo has many different species of animals. It has 307 birds and 59 big cats. How many more birds does the zoo have than big cats?

• 248

• 258

• 358

• 126

Piper set a goal at the beginning of the school year to read 120 books by the end of fourth grade. By July she had read 74 books. How many books does she need to read to meet her goal?

• 57

• 46

• 49

• 53

During the local School Canned Food Drive, the 3^rd graders brought in 57 kg of cans. The 4^th graders brought in 22 kg of cans. How many more kg of canned food did the 3^rd graders donate?

• 37

• 24

• 35

• 31

952 - 87 =

• 939
• 865
• 1039
• 453

508-109

• 409
• 401
• 617
• 399