1. Abacus Contest Word Knowledge

2. These words are root words that have had a suffix added to them. Can you pick out the suffixes? Addition Subtraction Multiplication Division Addition Subtraction Multiplication Division

3. What are the root words? add additionsubtraction subtract multiplication multiply calculation calculate

4. These words have the /ow/ sound, as in shout, spelled OU bounce loud round announce

5. Can you name any other words with the /ow/ sound spelled OU?

6. These words have the long “e” spelled ea teacher bead breathing feature

7. Can you name any other words with the long “e” spelled ea?

8. These words have the /i/ sound spelled i mistake giggled quilt begin division

9. Can you find the mathematics words and the words with the long e sound spelled ea ? The showed the students how to do teacher subtraction. That game is played with a round and a game board. multiplication bead

10. Can you identify the words with the /ow/ sound spelled ou? The players are breathing hard as they the ball. The pig wanted to go,so he pushed on the door with his bounce outside snout.

11. Can you identify the words with the /i/ sound spelled i ? easy to make a when you are a long problem. Itis mistake doingdivision

12. Vocabulary

13. Abacus

14. Use Context Clues to figure out the definition Gao Mai’s fingers flew back and forth over the smooth black beads of the abacus.

15. Abacus- a tool used to figure math problems by sliding counters

16. drills

17. Use Context Clues to figure out the definition During a few of her many timed drills, she was even faster than her father Every Friday, we do drills in math class. Thanks to all that practice, I am much faster at multiplying than I was before.

18. drills-exercises to increase your mental or physical skills.

19. mischievous

20. Use Context Clues to figure out the definition She knew Li Zhi loved practical jokes and could tell by her mischievous look that she might play one at any moment. The mischievous boy put a frog in his sister’s shoe and laughed when she screamed.

21. mischievous- full of pranks and teasing fun.

22. collided

23. Use Context Clues to figure out the definition Finally she wrote down the last answer, jumped from her seat, and collided with Li Zhi. The bumper cars collided, giving their riders a jolt.

24. Collided - crashed

25. accuracy

26. Use Context Clues to figure out the definition First place in speed and accuracy, goes to Li Zhi, last year’s first-place winner, and also to Gao Mai, last year’s second-place winner. Accuracy is important when you take a test. It’s a good idea to go back and fix any errors.

27. Accuracy- being without mistakes.

28. LET’S REVIEW!!

29. Abacus- a tool used to figure math problems by sliding counters drills-exercises to increase your mental or physical skills. mischievous- full of pranks and teasing fun. Collided - crashed Accuracy- being without mistakes.

30. Can you fill in the blanks?

31. Abacus- a tool used to figure __________ problems by sliding __________. drills-exercises to increase your _________ or ___________ skills. mischievous- full of _________ and teasing _______. Collided - __________ Accuracy- being without __________. math counters mental physical fun pranks crashed mistakes

32. GOOD JOB! NOW PLEASE TAKE OUT YOUR BOOKS FOR CLUES, PROBLEMS, AND WONDERINGS