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Grade 2 Math Unit 1 Study Guide 1. Ms. Foster bought 5 packs of red pencils and 5 packs of green pencils. If each pack of pencils has 10 pencils, how many pencils does Ms. Foster have?
She has __100_ pencils.
2. What number is represented by the picture below? 143
3. Create as many 3-digit numbers as you can using the set of numbers below.
3
358 385 538
4.
583 835 853
5
8
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853
385
583
538
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835
358
Using the numbers above, list the numbers in order from least to greatest. 358, 385, 538, 583, 835, 853 5. Donelle is counting by 10s. If he starts at 170 and keeps counting, which of the following numbers will be on his list? A. 105 B. 135 C. 230 D. 325 6. MGSE2.NBT.2 (DOK 2) (2 points) Complete the number pattern.
Explain how you got your answer.
765, 665, ___, ___, 365
I noticed that the hundreds place was changing, so I knew I was counting by 100s.
A. 665, 765 B. 565, 465 7. Ms. Herrin is counting her crayons. Each bucket of crayons has 100 crayons. There are 6 crayon buckets in Ms. Herrin’s room.
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Which skip counting strategy could Ms. Herrin use to count all of the crayons in her classroom? A. 1, 2, 3, 4, 5, 6 B. 10, 20, 30, 40, 50, 60 C. 100, 100, 100, 100, 100, 100 D. 100, 200, 300, 400, 500, 600 8. Which answer choice below has the same value as 625? A. 625 tens B. 6 hundreds, 25 tens C. 6 hundreds, 2 tens, 5 ones 9. Write the following number in words.
765
seven hundred sixty-five
10. Write the sum for the equation.
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300 + 40 + 6 = 346 11. Write 789 in expanded form. 700+80+9_______________________________
12. The table below shows the number of markers in our room. red
234
Blue
278
Green 321 yellow 200
A. Order the number of books from least to greatest.
200, 234, 278, 321
B. Which color has more than yellow but less than blue? red
C. Which color has fewer than green but more than red?blue 13. Look at the number below.
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647 To make a new number, the digit in the hundreds place was changed to a 7 and the digit in the ones place was changed to a 9.
a) What is the new number? 749
b) Write an expression using >, <, or = to compare the two numbers. 647<749 14. Use the set of numbers to answer the following question.
231
321
265
141
Which number is less than 321 but more than 231? 265
15.
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The graph below shows the number of oranges sold at a store.
A. How many apples? 5 B. How many apples and bananas? 9 C. Which fruit has more than banana but less pineapple ? apple
16.
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The graph below shows the number of people who went to the arcade.
A. How many burger and chicken lunches were sold? __110_ B. If 10 teachers bought burgers, how many were bought by students? a. 10 students b. 20 students c. 30 students d. 40 students