Unit 7-Illustrative Math Practice Test-Add/Sub to 1,000

Select 2 expressions with the same value as 145 + 300

• 415 – 40

• 245+200

• 295 + 40

• 455 + 10

• 545 – 100

92 + 59 + 26 + 43=?

• 220

• 230

• 240

• 250

700 + _____ = 1,000

______ + 650 = 1,000

637 + _____ = 1,000

To find the value of 600 – 478, John writes these three

equations.

478 + 2 = 480

480 + 20 = 500

500 + 100 = 600

John says this shows 600 – 478 = 122. Do you agree with

John?

• Yes, because he counted on and added them together to get the missing part.

• No, because he should have subtracted the numbers.

Find the sum.

328 + 221=?

Find the sum.

337 + 286=?

Answer explanation

Make sure you solve each place value! This one is trickly and needs to have regrouping more than once!

Find the sum.

485 + 192=?

Find the difference.

647 – 324=?