Unit 9 Practice Assessment

Is the statement true or false? Circle the correct answer.

The total number of tens in the sum of 234 + 142 is 7.

• True

• False

Tags

CCSS.2.NBT.B.7

How can you decompose one addend in the problem below? Choose all the correct answers.

356 + 491

• A. 356 + 400 + 90 + 1

• B. 356 + 400 + 9 + 1

• C. 300 + 50 + 6 + 491

• D. 300 + 5 + 6 + 491

Tags

CCSS.2.NBT.B.7

What addition strategy is shown?

• A. adjust addends

• B. decompose both addends

• C. decompose one addend

• D. skip counting

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Xavier has 325 erasers. Then he buys 10 more erasers. How many erasers does Xavier have now?

• A. 326 erasers

• B. 330 erasers

• C. 335 erasers

• D. 425 erasers

Tags

CCSS.2.NBT.B.8

How can you adjust the addends?

198 + 404

• A. 200 + 406

• B. 200 + 402

• C. 202 + 400

• D. 194 + 200

Which equations need regrouping? Choose all the correct answers.

• A. 271 + 558 = ?

• B. 416 + 185 = ?

• C. 332 + 427 = ?

• D. 245 + 603 = ?

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What addition strategy is shown?

• A. adjust addends

• B. decompose both addends

• C. decompose one addend

• D. skip counting

Tags

CCSS.2.NBT.B.7

A toy store has 348 dolls and 100 teddy bears. How many dolls and teddy bears does the toy store have?

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

This month, Jana spends 257 minutes at softball practice and 166 minutes at softball games. How much time does Jana spend at softball practice and softball games this month?

Tags

CCSS.3.OA.D.8

What is the sum? Decompose one addend to solve.

584 + 135 = _______