2nd Grade Math Study Guide 2011- 2012 Part 3

Polygons ********************************************************** Color the polygons: What are the attributes of a polygon? 1)_____________________________________ 2)_____________________________________ 3)_____________________________________ Draw your own polygon. ********************************************************** Polygons in My World Page 33

H Polygons have sides and vertices. Mark and count the sides on this polygon. ______ sides H Mark and count the vertices on this polygon. ______ vertices Page 34

2-D Geometry Quadrilateral What does quadrilateral mean? ________________________________________ Count the sides and then color the quadrilaterals below. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Pentagon What is a pentagon? ___________________________ ___________________________________________ Draw two different pentagons. Page 35

********************************************************** Hexagon and Octagon Hexagon Octagon six How are a hexagon and an octagon alike? How are they different? Alike Different ********************************************************** 2-D Shapes in My World Page 36

E = ___ V = ___ F = ___ 3-D Geometry ~ Prisms Draw a line between the prism and its name. (Be careful, one shape has two names.) Rectangular prism Square prism Triangular prism Mark and count the number of edges, vertices and faces on this triangular prism. E = ___ V = ___ F = ___ ********************************************************** Prisms in My World Page 37

Which statement about these 3-dimensional figures is NOT TRUE? A. They each have 6 faces. B. They are both prisms. C. They each have 12 vertices. D. They each have 12 edges. 2. How many fewer vertices does Figure A have than Figure B? ________ Figure A Figure B Page 38

E = ___ V = ___ F = ___ 3-D Geometry ~ Pyramids Draw a line between the pyramid and its name. (Be careful, one shape has two names.) Triangular Pyramid Square Pyramid Rectangular Pyramid Mark and count the number of edges, vertices and faces on this triangular pyramid. E = ___ V = ___ F = ___ ********************************************************** Pyramids in My World Page 39

How many more faces does a rectangular pyramid have than a triangular pyramid? __________ How are prisms and pyramids different? _______________________________________________ ________________________________________________ Page 40

3-D Geometry ~ Cylinder, Sphere, and Cone Label the shapes used to make the robot below. A sphere has ______ vertices, ______ edges, and _______ faces. A cylinder has _____ vertices, ______ edges, A cone has ______ vertices, ______ edges, Page 41

Which shape is most like a can? A. cone B. circle C. cylinder D. sphere Which statement is true about the figure? A. It has 2 vertices. B. It has no faces. C. It is a cylinder. D. It has 3 edges. Page 42

Money Draw the hairs on each coin. Write its name and its value. __________ _______¢ __________ _______¢ _____________ _______¢ __________ _______¢ Sue has this money in her purse. Write the amount of money she has. $_______ ********************************************************** Using Money in My World Page 43

1. Marco had 40¢. His dad gave him 36¢ more. How much money does Marco have now? a) 75¢ b) 40¢ c) 50¢ d) 76¢ 2. Alissa had 42¢. She let her sister have 11¢. How much money did Alissa keep? ________________ Page 44

********************************************************** Telling Time Four Ways ___ ___ : ___ ___ _______ minutes _____________ _________ ********************************************************** Telling Time in My World Page 45

Erick ate dinner at 20 minutes before 6:00. What other way can this time be written? a) 6:20 b) 5:20 c) 5:40 d) 5:30 2. Which time is NOT the same as the others? a) 25 minutes before 3:00 b) 25 minutes until 2:00 c) 35 minutes after 2:00 d) 25 minutes until 3:00 Page 46

********************************************************** Temperature Write the vocabulary words in the correct box. colder rising increasing warmer higher falling lower decreasing ********************************************************** Temperature in My World Page 47

1. The thermometer shows the temperature outside. What temperature is on the thermometer? A) 63° F B) 64° F C) 57° F D) 56° F The thermometer below reads: A) 95° F B) 90° F C) 85° F D) 80° F Page 48

Measurement ~ Length (Metric) What is length? ______________________________ ___________________________________________ Metric Measurements of Length The benchmark is shown in the box. Draw something else about that same length. Meter Centimeter Millimeter ********************************************************** Measuring Metric Length in My World Page 49

1. Tim's dad has a big umbrella. About how long is the umbrella? a) one meter b) one centimeter c) one millimeter 2. Circle the things that are about one centimeter long in real life. a balloon a penny a watch a unit cube a ladder a flower Page 50

Measurement ~ Length (Customary) Customary Measurements of Length The benchmark is shown in the box. Draw something else about that same length. Yard Foot Inch ********************************************************** Measuring Customary Length in My World Page 51

1. What would be the best unit to measure the length of a car? a) feet b) centimeters c) millimeters d) inches 2. Order these units of measurement from shortest to longest? inch (in) foot (ft) millimeter (mm) centimeter (cm) s L Page 52

Area What does the word area mean? _______________ __________________________________________ What is your strategy for finding area? __________ __________________________________________ __________________________________________ In the grid below color a shape that has an area of 12 squares. ********************************************************** Things That Have Area in My World Page 53

1. Which figure has the least area? b) d) c) 2. Draw a line from the figure to its area. 15 square units 18 square units 14 square units 12 square units Page 54