Math - 2nd Grade - STPSB

Math - 2nd GradeApril 27 – May 1Problem Solving with Length, Money, & DataPURPOSE Learning Standards:I can measure the length of objects using different measurement tools. (2.MD.A.1, 2.MD.A.2)I can estimate the length of an object. (2.MD.A.3)I can compare the lengths of 2 objects. (2.MD.A.4)*all review learning standardsWATCHThe following videos may be viewed during any time of the weekbefore or after Practice, Discuss, or Product to support and/or extend learning.Discovery Ed video Inches and Feet (Use student log in information to access through Moodle.Please reach out to your teacher for support and guidance if needed.)How to measure length with Inches and CentimetersKhan Academy Estimating LengthEstimating Using Inches, Feet, and YardsKhan Academy Comparing LengthsPRACTICE*Use the links below to access printable rulers if needed.Printable Inches RulersPrintable Centimeter Rulers(Monday) Complete “Measuring with Inches”(Tuesday) Complete “Estimating Which Unit to Use”(Wednesday) Practice the problems within the links below. If additional support is needed, use thewatch video or use a hint link.Khan Academy Practice-Estimating LengthsKhan Academy Practice- Estimating Customary UnitsOptional Online Zearn Lessons for the week:Mission 7- Lessons 14,15,17,19Additional Practice: lashlearn.com/ruler-games

DISCUSS(Thursday) Answer the following discussion questions:Why do we measure using different units? Can you name the different types of measurements thatwe can use when measuring length?When would you want to measure using a small unit? A large unit?When we measure using a ruler, using either inches or centimeters, what do you do when yourmeasurement isn’t exact?When you measure and compare lengths, how do you decide which unit of measure to use?PRODUCT(Friday) Complete the following tasks recording sheet with both activities.Measuring CentimetersMeasuring Inches***Extended learning- Math & Literacy Combination TaskHow Big is a Foot? Written and Illustrated by Rolf MyllerHow Big is a Foot ActivityAdditional Daily Math PracticeScreen Free ActivitiesDaily Math PracticeDaily Math Practice Answer Key

MEASURING WITH INCHESUse your ruler to measure the length of the objects below in inches. Using your ruler, draw a line thatis the same length as each object.1. a. A pencil is inches.b. Draw a line that is the same length as the pencil.2. a. An eraser is inches.b. Draw a line that is the same length as the eraser.3. a. A crayon is inches.b. Draw a line that is the same length as the crayon.4. a. A marker is inches.b. Draw a line that is the same length as the marker.5. a. What is the longest item that you measured?b. How long is the longest item? inchesc. How long is the shortest item? inchesd. What is the difference in length between the longest and the shortest items?inches

ESTIMATINGWHICH UNIT SHOULD I USE?Part A: Circle the unit that would best measure each object.Height of a doorinchfootyardCover of a chapter bookinchfootyardPencilinchfootyardLength of a carinchfootyardPaint brushinchfootyardLength of a TigerinchfootyardMarkerinchfootyardHeight of a carinchfootyardBirthday CardinchfootyardSoccer fieldinchfootyardLength of a computer screeninchfootyardPart B: Circle the correct estimate for each object.a. The height of a flagpole is more than / less than / about the same as the lengthof a yardstick.b. The width of a door is more than / less than / about the same as the length of ayardstick.c. The length of a laptop computer is more than / less than / about the same as thelength of a 12-inch ruler.

Materials: Online read aloud of How Big is a Foot? By Rolf MyllerCut out footprints (18 of ------------------After listening to the story, complete the following task:1. Place the King’s footprints end to end on the floor to make a bed that is 6 footprints long and 3footprints wide.2. Next, place the apprentice’s footprints end to end on the floor to make a bed that is 6footprints long and 3 footprints wide.3. Are the beds the same size? Why or why not? Draw and label the two beds. Explain yourthinking.

2.MD.1Measuring CentimetersMaterials: ruler, recording sheetDirections:1. Find 8 objects to measure around the room.Estimate if the objects are: about 1 cmless than 15 cmmore than 15 cmabout 30 cmmore than 30 cm2. Use a ruler to measure the exact length, in centimeters, of each object.3. Sketch and label objects measured on the recording sheet.Record the exact the length of each object.Measure Around the Room using CentimetersAbout 1 cm Less than 15 cm More than 15 cm About 30 cm Greater than 30 cm

2.MD.1Measuring InchesMaterials: ruler, recording sheetDirections:1. Find 8 objects to measure around the room.Estimate if the objects are: about 1 inch less than 6 inches more than 6 inches about 12 inches more than 12 inches2. Use a ruler to measure the exact length, in inches, of each object.3. Sketch and label objects measured on the recording sheet.Record the exact the length of each object.Measure Around the Room with Inch RulerAbout 1inchLess than 6inchesMore than 6inchesAbout 12 inchesGreater than12 inches

MathScreen Free ActivitiesApril 27th- May 1stMathematics Use electrical, painting, or masking tape to create a yard ruler on the sidewalk/cement.Using your printable inch ruler, measure 12 inches for a foot. Connect three feet togetherto create a yard. Once your yard ruler is designed, grab items from around your house tomeasure the length of each. MEASURE AND PLOT LEAVES ACTIVITY:Find 10 leaves around your house. Using your printable inch ruler, measure each leaf tothe nearest inch. Record your results in the chart below.Leaf 1Leaf 2Leaf 3Leaf 4Leaf 5Leaf 6Leaf 7Leaf 8Leaf 9Leaf 10Use results above to record on line plot.What was the most common length of leaf?How does the line plot help you answer this question? STANDING BROAD JUMP: Using electrical, painter, or masking tape, create a“STARTING” line. Bend knees and jump as far forward as you can. Mark your landingspot with chalk. Using your printable rulers, measure from the starting line to the landingmark to see how many inches long you jumped. Repeat several times to see how longyou can jump.

Estimate the length of each item by using a mental benchmark. Then, measure the itemusing inches, feet, or yards. Use the chart below to record your work.ItemLength of PetLength of RefrigeratorLength of CarLength of a spoonLength of shoeLength of sofaEstimation of lengthActual Length

Daily Math ActivitiesWeek of: April 27th-May 1stMonday, April 27, 2020Problem SolvingEdwin and Tina have thesame toy truck. Edwin sayshis is 4 toothpicks long.Tina says hers is 12 limabeans long. How can theyboth be right?Tuesday, April 28, 2020Problem SolvingBenjamin measures hisforearm and records thelength as 15 inches. Then,he measures his upper armand realizes it’s the same!a. How long is one ofBenjamin’s arms?b. What is the total lengthof both of Benjamin’s armstogether?Wednesday, April 29, 2020Problem SolvingEzra is measuring things inhis bedroom. He thinks hisbed is about 2 yards long.Is this a reasonableestimate?Explain your answerusing pictures, words, ornumbers.Daily Practice9 2 21 2 12 2 24 2 15 2 27 2 18 230 2 Daily Practice10 - 2 11 - 2 20 - 2 21 - 2 30 - 2 41 - 2 50 - 261 - 2 Daily Practice9 3 21 3 12 3 24 3 15 3 27 3 18 3 30 3

Thursday, April 30, 2020Problem SolvingTakeesha drew a line 9centimeters long.Damani drew a line 4inches long. Takeeshasays her line is longerthan Damani’s because9 is greater than 4.Explain why Takeeshamight be wrong.Friday, May 1, 2020Problem SolvingKatia is hanging decorativelights. The strand of lights is46 feet long. The buildingwall is 84 feet long. Howmany more feet of lightsdoes Katia need to buy toequal the length of the wall?Daily Practice30 – 3 18 – 3 27 – 3 15 – 3 24 – 3 12 – 3 21 – 3 9–3 Daily Practice30 – 2 10 – 3 27 – 2 11 – 3 24 – 2 21 – 3 21 – 271 – 3

Daily Math Activities Answer KeyWeek of: April 27th-May 1stMonday, April 27, 2020Problem SolvingDenise found 4 nickels inher car, 32 cents in herroom, and 21 pennies and 1quarter in her desk drawer.How much money didDenise find in all?Denise found .98 cents.Tuesday, April 28, 2020Problem SolvingBenjamin measures hisforearm and records thelength as 15 inches. Then,he measures his upper armand realizes it’s the same!a. How long is one ofBenjamin’s arms?b. What is the total lengthof both of Benjamin’s armstogether?15 15 30 One ofBenjamin’s arms is 30 in.30 30 60 The totallength of both of Benjamin’sarms is 60 in.Wednesday, April 29, 2020Problem SolvingEzra is measuring things inhis bedroom. He thinks hisbed is about 2 yards long.Is this a reasonableestimate?Explain your answerusing pictures, words, ornumbers.Ezra could be right becausethe bed could be a littlelonger than 2 yards.Daily Practice9 2 1121 2 2312 2 1424 2 2615 2 1727 2 2918 2 2030 2 32Daily Practice10 - 2 811 - 2 920 - 2 1821 - 2 1930 - 2 2841 - 2 3950 – 2 4861 - 2 59Daily Practice9 3 1221 3 2412 3 1524 3 2715 3 1827 3 3018 3 2130 3 33

Thursday, April 30, 2020Problem SolvingTakeesha drew a line 9centimeters long.Damani drew a line 4inches long. Takeeshasays her line is longerthan Damani’s because9 is greater than 4.Explain why Takeeshamight be wrong.Takeesha might bewrong because she isusing centimeters tomeasure her line, whileDamani uses inches tomeasure his line.Centimeters is a smallerunit of measure thaninches.Friday, May 1, 2020Problem SolvingKatia is hanging decorativelights. The strand of lights is46 feet long. The buildingwall is 84 feet long. Howmany more feet of lightsdoes Katia need to buy toequal the length of the wall?Katia needs 38 more feet oflights.Daily Practice30 – 3 2718 – 3 1527 – 3 2415 – 3 1224 – 3 2112 – 3 921 – 3 189–3 6Daily Practice30 – 2 2810 – 3 727 – 2 2511 – 3 824 – 2 2221 – 3 1821 – 2 1971 – 3 68

*Use the links below to access printable rulers if needed. Printable Inches Rulers: Printable Centimeter Rulers (Monday) Complete “ Measuring with Inches ” (Tuesday) Complete “ Estimating Which Unit to Use” (Wednesday) Practice the problems within the links below. If additional supp