Math Olympics [Date] 2 nd Grade Greenbriar West Elementary By Darren McKnight

Math Olympics There are 12 different rounds –Every round of questions has three sets of questions that are regular questions (each one worth one point) and one set of Bonus questions (worth more points) Provide the sheets to the children in two packets of six sheets each. –When finished with the first packet turn their packet in and they then pick up the second packet Will go for minutes before we stop Will award a gold, silver, and bronze medal –Ribbons for all participants

Math Olympics Rounds Numbers and Graphing Addition and Subtraction Concepts Addition and Subtraction Strategies Number Patterns to 100 Money Time Two-Digit Addition and Subtraction Number Patterns to 1,000 Fractions

Olympic Scoresheet NameNGACSCASSS100$$$ Time 2A2S 1,000 FracTotal

Olympic Scoresheet NameNGACSCASSS100$$$ Time 2A2S 1,000 FracTotal

Numbers and Graphing (NG) Name BONUS (2pts for each row) Complete the patterns below: 1, 2, 3, 4, 5,__, __ 2, 4, 6, 8, 10, __, __ 5, 10, 15, 20, __, __ 3, 7, 11, 15, __ 1, 3, 5, 7, 9, __, __ 3, 6, 9, 12, 15, __ Joe has 6 dogs, Colin has 4 cats, and Jeremy has 5 hamsters. Draw bar graph showing the facts above. Number of Pets Using the graph above: -Who has the most cars?_______ -Does Katie have more cars than Grace? _____ -Who has the least cars? ______ -How many cars the four kids have all together? ____ Grace Katie Anna Mark Joe has. How many spiders does Joe have?_______ Tom has and Mary has. Who has more ? ____ How many rockets are there in the picture below? ______ Are there more cars than rockets? _____

Addition Concepts (AC) Name BONUS (3pts each) Dan has and then gets more for Christmas. How many stuffed rabbits does Dan have? ______ How many dark cubes are shown? _____ -Frederick has and Ben gives him. How many spiders does Frederick have? ______ + -Katie has a domino and Miraj has a domino. What are the total number of dots on these two dominos? _______ -Ms. Hosey’s class went to Pizza Hut for lunch and they ordered two cheese pizzas and two pepperoni pizzas. How many pizzas did they order? _______ -Hannah scored 2 goals in soccer on Saturday morning and then scored 3 more goals in a game on Saturday afternoon. Finally, on Sunday she scored 4 more goals. How many goals did Hannah score over the weekend? ______ -Justin ate two tacos, three burritos, and three tostados. How many things did Justin eat? _____ -Ms. Hosey has no babies. In May she will have one. How many babies will Ms Hosey have? ____ Edom has and then gets more for Christmas. How many cats does Edom have? ______ How many dark cubes are shown? _____ -Mark has and Ben gives him. How many cars does Mark have? ______ +

Subtraction Concepts (SC) Name BONUS (3pts each) Joy has and then gives to Joanna. How many stuffed rabbits does Joy have left? ______ How many dark cubes are left? _____ -Bruce has and then gives Tom. How many spiders does Bruce have left? ______ Take away Stephanie has and then gives to Joe for Christmas. How many cats does Stephanie have left? ______ How many dark cubes are left? _____ -Chip has then gives Jim. How many cars does Chip have left? ______ Take away Jim had five cookies and he gave two to his friend Joe. How many cookies does Jim have left? ____ Pallu had ten marbles in her pocket when she left for school but she dropped six while walking to school. How many did she have left? ____ Grace had 12 grapes in her lunch. She gave three grapes to each of four of her friends. How many grapes did she have left for her lunch?____ Mary ate three candies. She now has four candies. How many did she start with? _____

Addition Strategies (AS) Name BONUS (2pts each) =____ 8+3=____ 4+2=____ 6+4=____ 8+6=____ 7+2=____ 6+5=____ 8+2=____ 6+2=____ =____ 3+3=____ 4+4=____ 5+5=____ 6+6=____ 7+7=____ 4+3=____ 5+2=____ 6+1=____ Sue has six pretzels. Mark gave her five more pretzels. How many pretzels does she have all together?_____ Ben has five pencils then he got four more for his birthday. How many pencils does he have now? _____ Amanda had 12 baseballs but then Jimmy and Louise each gave her two more baseballs each. How many baseballs does Amanda have now? ___ Tony had 12 raisins with lunch then 3 raisins with his snack. How many raisins did Tony have? _____

Subtraction Strategies (SS) Name BONUS (3pts each) =____ 3-3=____ 4-4=____ 5-4=____ 6-4=____ 7-4=____ 4-3=____ 5-2=____ 6-1=____ =____ 3-1=____ 9-4=____ 5-1=____ 6-1=____ 9-3=____ 4-1=____ 5-4=____ 9-1=____ Mr Hilkert had five awards to give out at the assembly. He gave three awards to the first grade. How many awards does he have left to give out? _____ Olivia had ten bagels but she gave two to her sister. How many does she have left? ____ Emily had 14 valentines then she gave 3 to Grace, 2 to Louise, and 6 to Ava. How many does she have left? _____ During the day it was 40 degrees but during the night the temperature went down 15 degrees. How cold was it at night?_____

Numbers Patterns to 100 (100) Name BONUS (3pts each) Fill in the blanks below: 10, 20, 30, ___, 50, 60, ___ 15, 30, 45, 60, __, 90 45, 50, ___, 60, 65, ___ 90, 92, 94, 96, ___, , 73, 75, 77, 79, ___, ___ 20, 30, 40, ___, 60, ___ Pallu had 50 baseball cards then she got 20 more baseball cards for her birthday. How many cards does Pallu have now? ____ Grace had 10 pencils, Hannah had 30 pencils, and Amanda had 40 pencils. How many pencils do they have all together? ______ Count from zero to 100 by 5’s: 0, 5, ___, 15, ___, ___, 30, ___, 40, ___, ___, ____, 60, 65, ___ 75, ___, ____, ____, 95, 100 Count from zero to 100 by 10’s: 0, 10, ___, ___, ___, 50, ___, 70, ___, ____, 100 Nitya had 30 marbles but she lost 10. How many marbles does Nitya have left? _____ 30 apples 20 bagels 50 eggs 10 lemons 40 cookies From the picture above of things your Dad buys from the grocery store, circle three items that add up to 100 things.

Money ($$$) Name BONUS (2pts each) 5 -How many pennies are needed to make ten cents? ________ -How many nickels are needed to make ten cents? ________ -How many dimes are needed to make ten cents? ________ *Circle the coins that add up to 12 cents *How much money is shown below? ____ Circle the number of nickels equal to 2 dimes If Mark had and Mickey had. -Who has the most money? ____ -How much money do they have all together? ______ 55 If you bought a pencil for 30 cents, using 50 cents, how much change would you get? ____ How many nickels are in one quarter? ___ Circle the fewest number of coins to make 37 cents? c

Time (Time) Name BONUS (2pts each) Draw the time on the clock for 1:50. Ben got to school at 9:15am. He left to go home 15 minutes later since he did not feel well. What time did he go home? _____ Taylor left Taco Bell at 1:30. He took 20 minutes to eat there. What time had he arrive at Taco Bell? ____ : Write the time under each clock. Ms Hosey went to the GBW carnival. The table below shows what she did. At what event did she spend the most time? ______ At what event did she spend the least time? ______ How long was she in the moon bounce? _________ StartedFinished Dunk Tank9:109:20 Moon Bounce9:209:40 Monster Slide9:4010:00 Tug of War10:0010:30 Write the time beside each clock. :: :: : :

Two-Digit Addition (2A) Name BONUS (2pts each) Fill in the blanks: 44+___ = ___= 50 ___+30 = ___ =69 5 tens + 2 tens = ____ tens = ____ Write the number sentence that is the same as += Mr. Hilkert brought ten friends to dinner while Mr. Rice brought fifteen friends to dinner. How many friends total did Mr. Rice and Mr. Hilkert bring to dinner? _____ A dozen is the same as “12”. Mickey brought in one dozen cookies and Ava also brought in a dozen cookies. How many cookies did they have total? _____ =___ 64+30=____ 27+50=___ 14+23=____ 29+10=___ 52+50=____ Mr. McKnight ate 10 donuts, Mrs. McKnight ate 15 donuts, and Olivia McKnight ate 10 donuts. How many donuts did the McKnights eat? _____

Two-Digit Subtraction (2S) Name BONUS (2 pts each) =____ 63-33=____ 42-14=____ 35-14=____ 61-43=____ 72-44=____ 44-23=____ 50-24=____ 61-16=____ =___ 64-30=____ 27-10=___ 14-13=____ 29-10=___ 52-50=____ Fill in the blanks: 44 -___ = ___= 10 ___- 30 = ___ = 29 6 tens - 3 tens = ____ tens = ____ Write the number sentence that is the same as - = 42-25=___ 64-37=____ 25-17=___ 24-16=____ 26-18=___ 42-25=____

Numbers to 1000 (1000) Name BONUS (4pts) 100 The three sticks above have the lengths marked on them. If you laid them end-to-end, how long would they be all together? ______ Complete the patterns below: 100, 200, 300, 400, 500,___, ___ 200, 400, 600, 800, _____ 850, 900, 950, _____ 300, 500, ____, , 300, 500, ____, , 350, 550, 750, ____ = _____ = _____ = _____ Edom had 500 marbles, Shreati had 300 marbles, and Anna had 100 marbles. How many marbles do they have all together? _____ Every time Jeremy mows the yard his father gives him $200. If he mows the yard two times, how much money does he get? _____

Fractions (Frac) Name BONUS (2pts each) The stick below is divided into equally sized pieces. What fraction of the stick is each section? _____ If a block is broken into four pieces. If you have two of these pieces then what fraction of the total block do you have? _____ Circle the largest fraction: There are ten students in a class. If five students left for strings, what fraction of the class stayed in the classroom? If you break a cookie into two equal pieces, what is each part called? (circle one) one-quarter one-half What is each part of the circle below called? (circle one) A pizza is cut into six pieces. If you eat three pieces of pizza, what fraction of the pizza did you eat? _____ At your birthday party your mother cut your cake into eight pieces. At the end of the party there were two pieces left. What fraction of the cake was left over? _____