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Math Mastery Challenge

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Lesson Plan

Math Mastery Challenge

To assess 3rd-grade students' understanding and mastery of addition, subtraction, in and out boxes, one and two-step problem solving, whole number comparison, and place value within a 30-minute timeframe.

This assessment is crucial for identifying individual student strengths and areas where additional support or targeted instruction may be needed, ensuring a solid foundation in fundamental math skills.

Audience

3rd Grade Students

Time

30 minutes

Approach

Individual assessment in a quiet classroom setting.

Materials

Prep

Review and Prepare Materials

10 minutes

Step 1

Distribute Tests

2 minutes

  • Greet students and briefly explain that they will be taking a math assessment to show what they know.
  • Distribute the Math Mastery Challenge Test face down to each student. Do not allow students to turn it over yet.

Step 2

Explain Instructions

3 minutes

  • Ask students to write their name on the test.
  • Read aloud the instructions for the test, clarifying any questions students might have before they begin. Emphasize working independently.
  • Inform students that they will have 25 minutes to complete the test. (The remaining 5 minutes of the 30 minute lesson will be for distributing and collecting tests, and any final quick instructions/reminders).

Step 3

Administer Test

25 minutes

  • Signal the start of the test. Circulate quietly around the room to ensure students are working independently and to answer any clarifying questions (not providing answers).
  • Provide a 5-minute warning before the end of the test time.
  • Signal the end of the test and instruct students to put their pencils down.
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Slide Deck

Math Mastery Challenge!

Today, we're going to show off our amazing math skills!

Welcome students and introduce the assessment. Explain it's a chance for them to show what they've learned.

Instructions

  • Listen carefully to all directions.
  • Work independently on your own test.
  • Read each question carefully before answering.
  • Do your best!

Go over the instructions clearly. Emphasize independent work and doing their best. Address any initial questions.

Time to Shine!

You have 25 minutes to complete your Math Mastery Challenge. Good luck!

Remind students of the time limit to help them pace themselves.

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Test

Math Mastery Challenge Test

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Answer Key

Math Mastery Challenge Answer Key

Section 1: Place Value

1. What is the value of the underlined digit?

  • 645: 40 (four tens)
  • 2,703: 700 (seven hundreds)
  • 9,128: 9,000 (nine thousands)
  • 530: 0 (zero ones)
  • 3,01: 10 (one ten)

2. Which number has a 6 in the hundreds place?

B) 1,623

3. Write the following numbers in expanded form:

  • 452 = 400 + 50 + 2
  • 1,897 = 1,000 + 800 + 90 + 7

Section 2: Comparing Whole Numbers

4. Compare the following numbers using >, <, or =.

  • 345 < 354
  • 1,200 > 1,020
  • 876 = 876

Section 3: Addition and Subtraction

5. Solve the following addition problems:

  • 245 + 312 = 557
    • Thought Process: Add the ones place (5+2=7). Add the tens place (4+1=5). Add the hundreds place (2+3=5).
  • 567 + 189 = 756
    • Thought Process: Add the ones place (7+9=16). Write down 6, carry over 1 to the tens place. Add the tens place (6+8+1=15). Write down 5, carry over 1 to the hundreds place. Add the hundreds place (5+1+1=7).

6. Solve the following subtraction problems:

  • 789 - 123 = 666
    • Thought Process: Subtract the ones place (9-3=6). Subtract the tens place (8-2=6). Subtract the hundreds place (7-1=6).
  • 432 - 278 = 154
    • Thought Process: Subtract the ones place (2-8). You can't, so borrow from the tens place. The 3 becomes 2, and the 2 becomes 12. 12-8=4. Subtract the tens place (2-7). You can't, so borrow from the hundreds place. The 4 becomes 3, and the 2 becomes 12. 12-7=5. Subtract the hundreds place (3-2=1).

Section 4: In and Out Boxes

7. Fill in the missing numbers for the In and Out Box.

Rule: Add 15

InOut
1025
2035
3550
4055

Section 5: Problem Solving

8. Problem Solving: One-Step

Sarah had 15 stickers. Her friend gave her 7 more. How many stickers does Sarah have now?

  • Show your work:
    15 + 7 = 22
  • Answer: Sarah has 22 stickers now.

9. Problem Solving: Two-Step

There were 24 birds on a tree. 10 birds flew away, and then 5 new birds came. How many birds are on the tree now?

  • Show your work:
    24 - 10 = 14
    14 + 5 = 19
  • Answer: There are 19 birds on the tree now.
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