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Deer Valley Unified School District Name ______________ 4th Grade Math Date _______________ Unit 1 Pre-Assessment Applying Place Value Concepts in Whole # Addition/Subtraction to 1,000,000 **15 minutes to complete this pre-test RUBRIC for “WRITING TO EXPLAIN” Questions: 3 points Student shows a clear understanding of concept by using written explanation and/or visual models to solve the problem correctly. 2 points Student shows some understanding of concept by using written explanation and/or visual models to solve the problem. (minor error in understanding) 1 point Student shows little understanding of concept. Student may have correct answer, but no evidence of understanding, or incorrect answer but little evidence of understanding is present. 0 points Student writes incorrect answer and shows no evidence of understanding. SECTION I: PREREQUISITE UNIT KNOWLEDGE 1. Write the number in standard form: 4. Estimate 481 to the nearest tens? 600 + 5 + 20 2. In the year 2000, a town’s population was five hundred sixty-two. Write this number as a numeral? 5. Kendra put colored tiles in a bag. Circle the letter of the number sentence shows about how many more blue tiles are in the bag than red tiles? Blue Tiles Red Tiles Yellow Tiles 3. Circle the letter that shows the numbers in order from least to greatest? A 546; 654; 564 B 546; 564; 654 C 564; 654; 546 D 654; 564; 546 A 600 - 450 = B 600 - 400 = C 700 - 650 = D 700 - 600 = 596 455 390 SECTION 2: UNIT KNOWLEDGE 6. Circle the letter with the number that has digits with a value of 500 and 50? 9. Is this true? Justify your reasoning. (2 points) 2687 – 298 = 2687 – 300 + 2 A 430,055 B 454,505 C 325,540 D 584,550 7. The cafeteria sold 2,456 ham sandwiches, 5,842 grilled cheese sandwiches, and 1,293 salads. About how many sandwiches were sold? 10. Writing to Explain: (3 points) What is the relationship between the values of the 4s in the number 374,438? Justify your reasoning. A 9,500 B 8,500 C 7,000 D 10,000 8. Writing to Explain: (3 points) What is the greatest six-digit number you can write? What is the smallest six-digit number you can write? Justify your answer with a visual model (place value chart) and written explanation of your thinking. 11. Carla wrote this number: 814,247 Travis wrote this number: 638,571 The digit 8 in Carla’s number represents how many times what the digit 8 represents in Travis’ number? a. 10 b. 100 c. 50 d. 2 12. 13. 495,234 + 439,419= 610,301 – 554,346= Deer Valley Unified School District Name ______________ 4th Grade Math Date _______________ Unit 1 Pre-Assessment KEY Applying Place Value Concepts in Whole # Addition/Subtraction to 1,000,000 **15 minutes to complete this pre-test RUBRIC for “WRITING TO EXPLAIN” Questions: 3 points Student shows a clear understanding of concept by using written explanation and/or visual models to solve the problem correctly. 2 points Student shows some understanding of concept by using written explanation and/or visual models to solve the problem. (minor error in understanding) 1 point Student shows little understanding of concept. Student may have correct answer, but no evidence of understanding, or incorrect answer but little evidence of understanding is present. 0 points Student writes incorrect answer and shows no evidence of understanding. SECTION I: PREREQUISITE UNIT KNOWLEDGE 1. Write the number in standard form: 600 + 5 + 20 4. Estimate 481 to the nearest tens? 480 625 2. In the year 2000, a town’s population was five hundred sixty-two. Write this number as a numeral? 5. Kendra put colored tiles in a bag. Circle the letter of the number sentence shows about how many more blue tiles are in the bag than red tiles? 562 Blue Tiles Red Tiles Yellow Tiles 3. Circle the letter that shows the numbers in order from least to greatest? A 600 - 450 = A 546; 654; 564 B 546; 564; 654 C 564; 654; 546 D 654; 564; 546 B 600 - 400 = C 700 - 650 = D 700 - 600 = 596 455 390 SECTION 2: UNIT KNOWLEDGE 6. Circle the letter with the number that has digits with a value of 500 and 50? 9. Is this true? Justify your reasoning. (2 points) 2687 – 298 = 2687 – 300 + 2 A 430,055 B 454,505 C 325,540 D 584,550 Yes, 2687 -300 =2387 +2= 2389 Decomposing/Expanded Form (2000-0) + (600-200) +(80-90) + (7-8) 2000 + 400 -10 -1 =2389 Or Counting Up 298 + 2 = 300 300 + 2000=2300 2300 + 300=2600 2600 + 87= 2687 2389 7. The cafeteria sold 2,456 ham sandwiches, 5,842 grilled cheese sandwiches, and 1,293 salads. About how many sandwiches were sold? 10. Writing to Explain: (3 points) What is the relationship between the values of the 4s in the number 374,438? Justify your reasoning. A 9,500 400 x 10 = 4000 B 8,500 C 7,000 D 10,000 8. Writing to Explain: (3 points) What is the greatest six-digit number you can write? 999,999 What is the smallest six-digit number you can write? 100,000 Justify your answer with a visual model (place value chart) and written explanation of your thinking. 11. Carla wrote this number: 814,247 Travis wrote this number: 638,571 The digit 8 in Carla’s number represents how many times what the digit 8 represents in Travis’ number? a. 10 b. 100 c. 50 d. 2 12. (Student algorithms may vary based on place value and number sense) 13. 610,301 – 554,346= 495,234 + 439,419= 55,955 55,815