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Baltimore County Public Schools--1st grade math unit 2 review w/ sound

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- 1. Math Review Unit 2 Click on the arrow to begin.
- 2. Directions: Read the problem, solve the problem and click your answer. Click the arrow below to go to the next slide.
- 3. Mom bought 2 apples and 3 oranges. How many pieces of fruit did she buy? 5 five 2 two 6 six 3 three
- 4. Correct! Good job!
- 5. Which mat does not show parts for the total of 9. ∆ ∆ ∆ 3 ∆ ∆ ∆ ∆ ∆ ∆ 6 ∆ ∆ ∆ ∆ 4 ∆ ∆ ∆ ∆ 4 ∆ ∆ ∆ ∆ 4 ∆ ∆ ∆ ∆ ∆ 5 ∆ ∆ 2 ∆ ∆ ∆ ∆ ∆ ∆ ∆ 7
- 6. Correct! Good job!
- 7. There were 5 eggs. 2 cracked. How many eggs were left? 5 five 3 three 2 two 7 seven
- 8. Correct! Good job!
- 9. There are 7 birds in a tree. 3 of them are singing. How many birds are NOT singing? 3 three 10 ten 7 seven 4 four
- 10. Correct! Good job!
- 11. Jan has 6 balloons, 2 popped. Find the number sentence to show how many are left? 6+2=8 6-2=4 8-6=2 4+4=8
- 12. Correct! Good job!
- 13. There are 4 girls and 3 boys. How many children are there in all? 7 seven 4 four 3 three 5 five
- 14. Correct! Good job!
- 15. Jan bought 5 apples and 4 pears. How much fruit did she buy? 5-4=1 4+3=7 5-3=2 5+4=9
- 16. Correct! Good job!
- 17. What number sentence goes with the picture. 4-3=1 4+3=7 7-4=3 7+3=10
- 18. Correct! Good job!
- 19. There was 1 large pumpkin in the patch. 7 more small pumpkins were in the patch. How many pumpkins are in the patch? 7-1= 6 3+4=7 1+7=8 8-1=7
- 20. Correct! Good job!
- 21. Joe has 5 soccer balls. 2 balls roll away. How many soccer balls are left? 5-2=3 5+2=7 2-1=1 7-5=2
- 22. Correct! Good job!
- 23. Devin has 11 apples. He eats 3 apples. How many apples does he have left? 10-4=6 11-5=6 11-3=8 5-4=1
- 24. Correct! Good job!
- 25. 10 Fish are swimming in the water. 4 swam away. How many are left? 10+4=14 4+10=14 10-4=6 3+7=10
- 26. Correct! Good job!
- 27. 8 candles were lit. 3 went out. How many are still lit? 8+3=11 5+3=8 8-3=5 11-8=3
- 28. Correct! Good job!
- 29. Peg had a box of 10 crayons. She had 4 crayons out of the box. How many crayons are left in the box? 10+4=14 4-2=2 10-4=6 4+10=14
- 30. Correct! Good job!
- 31. You have now completed the review for Unit 2.
- 32. Sorry, that is not the correct answer. Try again.

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