Subtraction: Regrouping & Word Problems

Which of the following will I use to check my answer?

$90.00 - 7.03 =

• $82.97+7.03=$90.00

• $83.97+7.03=$90.00

• $81.97+7.03=$90.00

Which of the following will I use to check my answer?

8616-1208=

• 7408+1208=8616

• 7308+1208=8616

• 7508+1208=8616

Estimate:

5483-2007=

• 3000

• 3476

• 4000

Estimate:

6226-527=

• 5699

• 5500

• 6000

Find the difference:

9460-5210=

Find the difference:

$6.00-2.50=

Estimate the differance:

500-498=

Ms. Sanchez hopes her students will score 200 more points on their exams this month than last month. Last month they scored 423 points. This month they scored 591 points. Did Ms. Sanchez's students reach the goal?

• 159; No

• 159, Yes

• 149, Yes

• 149, No

Ms. Sanchez sells cupcakes over the weekends. Her goal is to sell 5000 more cupcakes over the next three months. In January she sold 1273 cupcakes. In February she sold 2449 cupcakes. How many more cupcakes does Ms. Sanchez need to sell?

• 1278 more

• None, she reached her goal.

• 1178 more

• 2178 more

$50.43 - 18.52 =

• $31.91

• $31.19

• 3119

• 3191