Unit 5 A C T I V I T Y 31 AC TIVIT Y 25 MIN Customary Units of Capacity Use after Unit 5, Session 4.7 Vocabulary/Vocabulario capacity/ capacidad cup/ taza gallon/ galón pint/ pinta quart/ cuarto de galón Some other units of capacity are pint and quart. Label your second mark “pint” and your fourth mark “quart.” From the bottom, count up 16 marks, and label that mark “gallon.” Circulate to make sure students have their jugs labeled correctly. • measuring cups/ tazas de medir • plastic gallon jugs/ botellones de plástico de un galón • markers/ marcadores • water (or sand)/ agua (o arena) • pint containers/ recipientes de 1 pinta • quart containers/ recipientes de 1 cuarto de galón • Activity 31 Master (see below)/ Actividad 31 (ver abajo) Un i t 5 NOTE Students choose appropriate customary units and measures of capacity. KIJEC7HOÅÅ D?JIÅE<Å7F79?JO © Pearson Education, Inc. 3 Activity 31 MASTER 9ViZ Equal Groups Give each group a measuring cup, a gallon jug, a marker, and at least a gallon of water (or sand). Today we are going to learn about capacity. Capacity tells how much a container can hold. The small container holds about 1 cup . The jug holds about 1 gallon. Show students how to measure 1 cup. Measure and pour 1 cup of water into the jug. With your marker, mark the level for 1 cup. Keep pouring into the jug by cupfuls. Mark the level for each cup you pour. Label your ﬁrst mark “cup.” Materials/Materiales CVbZ GROUPS Give each group a pint and a quart container to help students visualize the relative sizes of these units of capacity. How many cups are in 1 pint? How do you know? Students might say: “There are 2 cups in 1 pint because there are 2 marks for a pint, and each mark is 1 cup.” Ask students to use their jug to tell how many pints are in a quart, how many cups are in a quart, and how many quarts are in a gallon. As each relationship is developed, have students write the relationships on their papers as shown. 1 pint ⫽ 2 cups 2 pints ⫽ 1 quart 4 cups ⫽ 1 quart 4 quarts ⫽ 1 gallon What unit would you use to measure sugar for a recipe? What unit would you use to measure water in a bathtub? Have students describe other situations where they have experienced these units of capacity. Display pint, quart, and gallon containers that are partially ﬁlled with water. Have students estimate how much water is in each container in terms of cups, pints, quarts, or a fraction of a gallon. IZaal]Vijc^id[XVeVX^inndjldjaYjhZ idbZVhjgZZVX]dW_ZXi#Lg^iZXje!e^ci! fjVgi!dg\Vaadc# & ' ( &XjeX PR AC TICE In the Activity 31 Master, students choose appropriate customary units and measures of capacity. ) * 8^gXaZl]^X]^hbdgZaZbdcVYZ/ ) ,fjVgihdg'\Vaadch © Pearson Education, Inc. 3 8^gXaZi]ZWZiiZgXVeVX^in[dgZVX]dW_ZXi# + &%fjVgih dg &%%fjVgih , - 'Xjeh dg 'fjVgih Use after Unit 5, Session 4.7 Unit 5: Equal Groups (e^cih dg (\Vaadch DIFFERENTIATION : Suppor ting the Range of Learner s Give each group a variety of containers. Have them ﬁrst estimate and then use their measuring containers to ﬁnd each capacity to the nearest cup, pint, quart, or gallon. Session 4.7 (End-of-Unit Assessment)

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