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First Grade Math Study Guide/Review #1

First Grade Math Study Guide/Review #1. Mica has these stickers. How many stickers? A. 17 B. 16 C. 15 D. 14 . Look at the balls Harvey counted at the store. Which ball has the greatest number? A. B. C.

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First Grade Math Study Guide/Review #1

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  1. First Grade Math Study Guide/Review #1

  2. Mica has these stickers. How many stickers? A. 17 B. 16 C. 15 D. 14

  3. Look at the balls Harvey counted at the store. Which ball has the greatest number? A. B. C.

  4. 13 18 Comparing and Ordering Numbers to 30 15 _____________ 24 greater thanless than Fill in the missing numbers on the number line. Write a number…… after 15 _______ before 24 _______ between 15 and 24 _______ Choose 3 numbers from the number line. Write them in order from greatest to least. _______ _______ _______ How did you decide which number to write first? ____________________________________________ ____________________________________________ *************************************************************************** Ordering Numbers in My World . . . .

  5. Look at the number line. • Which number belongs in the on the number line? • 10 • 19 • 21 • 26 21 23 25 20 22 24

  6. Addition using Model DrawingAction: Put Together Sam had 4 shells. He found 2 more shells. How many shells does Sam have now? shells Sam have Sam sh John has 3 cars. Marc has 4 cars. How many cars do the 2 boys have? J cars M cars cars 2 boys ******************************************************** Addition in My World . . . .

  7. 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 Addition Fact Strategy: Count On Don’t count everything Don’t count it all. Start with the large number, Count on the small. 3 + 5 = 6 + 2 = 1 + 8 = ******************************************************** Counting On in My World . . . .

  8. Addition Fact Strategy: Make 10 Use the ten frame with 2-color counters to show a fact that makes 10. Make a picture of it on the ten frame. Write the fact. __________________________________ Write two more ten facts. ___________________________ ___________________________ ******************************************************** Making 10 In My World . . . .

  9. Riley has 6 bows. • Her mom gave her 2 more bows. • How many bows does Riley have now? • A. 4 B. 10 C. 8 D. 12

  10. Jane saw some birds in a tree. Five red birds flew away. Two blue birds flew away. How many birds flew away?

  11. Subtraction using Model Drawing Action: Take Away James had 7 frogs in his pond. Three of them hopped out. How many frogs were still in the pond? frogs in pond J frogs ******************************************************** “Take Away” in My World . . . .

  12. There are 8 ladybugs on the plant. • Six of the ladybugs fly away. • Which number sentence shows how many ladybugs • are left? • A. 8 + 6 = 14 B. 8 – 2 = 6 C. 6 + 2 = 8 D. 8 – 6 = 2

  13. 6 Tony cards 2 ? Review your Actions and Operations Match each action with the correct picture (s). . 4 Alice d ? 2 Sally d Put Together Take Away Addition Subtraction Addition Subtraction 3 4 Janie bf ? Addition Subtraction Circle the operation shown in each Model Drawing.

  14. 7 Look at the model drawing. Write an addition number sentence to find the “?”. ______________________ S b ? 5 D b Write the three related facts. ______________________ ______________________ ______________________ 8 Look at the model drawing. Write a subtraction number sentence to find the “?”. _______________________ J cars 3 ? Write the three related facts. ______________________ ______________________ ______________________ Fact Families Use unifix cubes to build the models.

  15. If 7 + 2 = 9, then 9 – 2 = A. 2 B. 7 C. 9 D. 3

  16. Look at the fact. 2 + 5 = Write a fact in the same fact family.

  17. There were 9 yellow balloons, and 1 red balloon. There were 10 balloons in all. 9 + 1 = 10 Which is a related fact? • 10 – 1 = 9 • 9 + 2 = 11 • 10 – 2 = 8 • 1 + 10 = 11

  18. Picture Graphs Each = 1 starfish. Which boy found the FEWEST starfish? Which boy found the GREATEST number of starfish?

  19. A. 5 B. 6 C. 4 D. 6

  20. Mrs. Smith’s class likes to eat breakfast. Favorite Breakfast Foods of the Class Each = 1 student How many students like cereal and waffles? A. five B. two C. six D. four

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