2 nd Grade Math-A-Thon *If not enough space is available to work out a problem, please use a separate sheet of paper*

Transcription

1 Name: Teacher: 2 nd Grade Math-A-Thon *If not enough space is available to work out a problem, please use a separate sheet of paper* 1.) This morning you got out your socks and sneakers. You had a pair of blue sneakers and a pair of black sneakers. You had a pair of red socks and a pair of green socks. What different ways could you have worn them? 2.) If there are 6 horses on the farm, how many legs are there? How many tails are there? How many ears are there? 3.) If 4 children are sitting at a table, how many feet are under the table? If there are 6 children, how many feet are under the table? 4.) Mom is baking a cake for Erin s birthday party. She needs 8 eggs. She has 6. Grandma gave her 1. How many more does she need? 5.) Ten alligators went down to the river. Three of them laid eggs. They laid 5 each. A snake ate 8 eggs. How many are left? 6.) I m greater than 10. I m an even number. I m less than 25. What s my name? (circle the correct number) ) On the way to the park, Tim saw three flowers. Each flower had two leaves. On each leaf was a ladybug. Each ladybug had three spots. Tim saw flowers Tim saw ladybugs Tim saw leaves Tim saw ladybug spots Use a calendar to answer #8 - #10: 8.) Mom goes to the store every Thursday. How many times will she go this month? 9.) Dad works every Monday, Tuesday, Wednesday, and Thursday. How many days will he go to work this month? 10.) The bowling alley has a Free Game night every second and fourth & Wednesday nights. What are the dates for the Free Game nights this month?

2 11.) Faye has 2 nickels and 15 pennies. Her brother has lots of nickels and dimes. Faye trades equal value for different coins. What coins could she have after she trades with her brother? She trades once more with her mother. What do you think she has now? 12.) Bill is at the zoo. He sees 14 legs. How many storks? He sees 4 giraffes. How many legs? He sees 8 legs. How many elephants? He sees 6 zebras. How many legs? Kevin has earned 10 stickers for reading books. He can trade them for items in the class store. (Use for questions 13-16) 1 sticker -- bookmark 2 stickers -- eraser 3 stickers -- pencil 4 stickers notepad 13.) What can Kevin get with his10 stickers? What is the question? 14.) The answer is 2. What is the question? 15.) The answer is 5. What is the question? 16.) The answer is 10. What is the question? Solve the double riddles using 1, 2, 3, 4, 5, 6, 7, 8, 9 17.) My double is more than ) My double is less than ) My double is between 12 and ) Double me and get ) My double has 2 digits. One of them is 4. I am less than ) My double rhymes with gate. 23.) Double me and you will have half of 20.

3 Write the correct sign in the blank. (<, >, or =) 24.) ) ) ) ) ) ) ) ) ) ) ) Directions: Draw a line under the numbers you use to count by fives. Circle the numbers you use to count by tens. Draw a box around the number that is the same as your age ) 16 9 = 37.) 17 8 = 38.) 13 9 = 39.) 15 7 = 40.) 14 6 = 41.) 16 8 = 42.) 17 9 = 43.) 15 8 = 44.) 15 6 = 45.) 13 6 = 46.) 11 4 = 47.) 12 7 = 48.) 18 9 = 49.) 13 7 = 50.) 14 8 =

4 Show two ways to make each number. 51.) 46 = 52.) 83 = 53.) 37 = 54.) 16 = 55.) 59 = 56.) 29 = 57.) 62 = 58.) 86 = Number of Workers at the City Zoo = 2 workers Grounds Tour Animal Animal Ticket Keepers Guides Feeders Doctors Sellers Use the pictograph above to answer each question. 59.) How many animal doctors work at the zoo? 60.) How many grounds keepers work at the zoo? 61.) Do more tour guides or ticket sellers work at the zoo? 62.) Do more animal doctors or animal feeders work at the zoo? _ 63.) How many tour guides and ticket sellers are there in all? 64.) How many more grounds keepers than animal doctors work at the zoo?

5 Solve the riddles. Circle the correct answer. 65.) I have 3 tens, 6 ones, and 2 hundreds. What number am I? 362 or ) I have 8 tens, 3 hundreds, and 4 ones. What number am I? 384 or ) I have 5 ones, 6 hundreds, and less than 5 tens. What am I? 565 or ) I have 3 ones and more than 7 tens. What number am I? 37 or ) I have 9 tens, less than 8 hundreds, and 2 ones. What am I? 692 or ) I have 3 hundreds, 5 ones, and more than 3 tens. What am I? 355 or 353 There are several different names by which coin money may be identified. On each line below, write the correct name of the coin that has the value listed. 71.) ) 5 72.) 1 74) ) How many of each of the coins listed below would you receive for 31, if your change came in four coins? 76.) How many of each of the coins listed below would your receive for 25, if your change came in three coins? 77.) How many of each of the coins listed below would you receive for 50, if your change came in two coins? 78.) How many of each of the coins listed below would your receive for 43, if your change came is six coins? 79.) How many of each of the coins listed below would you receive for 57, if your change came in five coins? 80.) How many of each of the coins listed below would you receive for 49, if your change came in eight coins?

6 Add or subtract: 81.) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) Congratulations! You ve finished all 100 problems! Thank you for supporting our school!