Quick Facts!
Without Regrouping
With Regrouping
Test Your Knowledge
Teacher Problems
100

3 x 4=?

12

100

41 x 2=?

82

100

158 x 3=?

474

100

Show this problem in expanded form and solve for the answer:

213 x 3=?

(200x3)+(10x3)+(3x3)

600+30+9= 639

100

Mrs. Yeager bought 35 Reese's cups to stash in her classroom. She decided it was not enough and bought 3 times as many as she originally bought. How many Reese's cups did she buy in all?

105 Reese's cups

200

5 x 7=?

35

200

131 x 3=?

393

200

419 x 5=?

2,095

200

Show this problem in expanded form and solve for the answer:

589 x 8=?

(500x8)+(80x8)+(9x8)

4,000+640+72= 4,712

200

Mrs. Yeaton brought a cart of books to the third grade hallway. Each student was able to get 4 books. If there are 72 students in all of third grade, how many books did Mrs. Yeaton have on the cart?

288 books

300

9 x 3=?

27

300

244 x 2=?

488

300

695 x 5=?

3,475

300

Solve for the missing number:

1 & 9

300

Ms. DiMarco decided to enter a pizza making contest and needs to make 115 small pepperoni pizzas. Each pizza has 9 slices of pepperoni. How many slices of pepperoni will she need?

1,035 pepperoni slices

400

8 x 7=?

56

400

322 x 3=?

966

400

826x8=?

6,608

400

Identify Liam's mistakes and solve for the correct solutions.

Liam did not regroup.

a=504

b=680

400

Mrs. Loyola and Mrs. Keffer love to collect marbles. Mrs. Loyola has collected 395 marbles. Mrs. Keffer has 7 times the amount that Mrs. Loyola does. How many marbles does Mrs. Keffer have?

2,765 marbles.

500

12 x 6=?

72

500

203 x 3=?

609

500

999 x 7=?

6,993

500

Use the digits 0, 5, and 6 to form the least 3-digit odd number. Then, multiply your answer by 7.

605 x 7= 4,235

500

Mrs. Herbster decides to by some prizes for the entire Lower School. She buys 6 boxes. Each box has 974 prizes inside. How many prizes did she buy in all?

5,844 prizes.