- = + = Words about numbers Building Background Numbers big and small Words about numbers There are 5 cookies. Follow the directions. 1. If you have five cookies and eat 2 cookies, how many cookies are left? 2. And then if your mom gives you 10 cookies, how many cookies do you have? - = + = Now think about the signs shown in the questions above. Circle the words that are related with signs in direction 1. minus plus add subtract Circle the words that are related with the signs in direction 2. minus plus add subtract What else can we do with numbers? There is a pencil and a ruler. Think and circle. 1. The pencil is shorter than the ruler. 2. The pencil is 3 centimeters. estimate measure 1 2 3 4 estimate measure JIR-Numbers big and small(JYBOOKS.COM)

cubes digit equal fruit Numbers big and small cubes digit equal fruit JIR-Numbers big and small(JYBOOKS.COM)

rods signs cubes digit Numbers big and small cube[kyoob] Noun, plural cubes. A cube is a solid object like a block, with six equal square sides. [dij-t] Noun, plural digits. Mathematics. any of the numerals from 1 to 9 and usually the numeral 0. rods signs cubes digit JIR-Numbers big and small(JYBOOKS.COM)

equal fruit rods signs Numbers big and small [ee-kwul] adjective. having the same quantity, size, or measurement as another. [froot] Noun. plural fruits. the part of a plant or tree that contains the seeds and can be eaten such as oranges, apples, or cherries. rod[rod] Noun, plural rods. a straight cylinder of wood, metal, or plastic. sign[sine] Plural noun signs. a mark or symbol that stands for something else. equal fruit rods signs JIR-Numbers big and small(JYBOOKS.COM)

Grammar Comparatives (비교) Practice 1 Practice 2 (JIR p15) Numbers big and small Grammar Comparatives (비교) The ending er and est are used to compare things. JIR : Numbers big and small Evan Moor, Grammar & Punctuation 2 (rule 25) Practice 1 Practice 2 (JIR p15) Use er to compare two things. The tree is taller than the swing. The soccer ball is bigger than the baseball. Twenty is less than forty-five. Five is greater than three. Which number is less than the other number? Use est to compare three or more things. She is the thinnest of the four girls. Brandon is the tallest boy in the class. JIR-Numbers big and small(JYBOOKS.COM)

cubes digit equal fruit rods signs Vocabulary Numbers big and small cubes digit equal fruit rods signs Fill in the blanks. 2 plus 3 is ________________ to 5. The number 1 has only one _______________ . You can use ___________ and ____________ to compare numbers. You can use more ______________ to compare numbers. The ____________ is very fresh and tastes good. Complete the crossword puzzle. Across 1. a number used for counting, such as 0 to 9 2. small shapes with rectangular sides that stand for 1 Down 3. for example, oranges, apples, or cherries 4. of the same amount 5. long shapes with rectangular sides that stand for 10 6. marks used to stand for a letter, number, or idea 5 6 3 1 2 4 JIR-Numbers big and small(JYBOOKS.COM)

Which number is greater? Before Writing Numbers big and small Which number is greater? Long hair Short hair Boys Girls 18 15 JIR-Numbers big and small(JYBOOKS.COM)

Title : 18 is greater than 15 . So, we have more boys than girls . . . Writing Numbers big and small Title : 15 18 0 3 6 9 12 15 18 21 24 18 is greater than 15 . So, we have more boys than girls . 0 3 6 9 12 15 18 21 24 . 0 3 6 9 12 15 18 21 24 . 0 3 6 9 12 15 18 21 24 . JIR-Numbers big and small(JYBOOKS.COM)