Chọn câu trả lời đúng cho các câu hỏi sau đây.
1. Doris has 1 quarter, 1 dime, and 1 penny. She wants to by the toy frog above. How much more money does she need to buy the frog?
1 quarter = 25 cents
1 dime = 10 cents
1 penny = 1 cent
2. Ms. Helen’s first grade class will hold a talent show tonight. According to the graph, how many children will sing or dance? 
3. Ellen’s school starts at 8:00 AM. Her class goes to the library for the first 40 minutes of school. After that, they go to the computer lab. What time does Ellen’s class go to the computer lab? 
4. Student the pattern formed by the shapes. If the pattern continues, which set of shapes will come next? 
5. Noah saves 2 dimes in his piggybank each week. How much will he have saved in his piggybank after 3 weeks? 
6. Which information is NOT needed to solve the problem above? 
7. Ann has 14 pennies. She uses 6 of them to buy a pencil. How many pennies does Ann have left?
8. There are 7 first graders on the playground. 2 of them are playing soccer. The rest are jumping rope. How many first graders are jumping rope?
9. Christie collected 10 stamps. She used 2 of them to trade for a brand new stamp from her friend Angela. How much stamps did Christie have after the trade?
10. It takes two triangles like the one at the top to make one diamond like the ones below it. How many triangles does it take to make 2 diamonds? 
