first grade everyday math unit 9 place value and fractions 3rd edition

First Grade Everyday MathUnit 9

Place Value and Fractions

3rd Edition

Lesson 9.1 Review: Tens and Ones Patterns on the

Number Grid

Mental Math and Reflexes

Play a round of "Beat the Calculator" to practice addition facts. Emphasize +0, +1, doubles, near doubles, and sums of 10 facts.

Math Message Lesson 9.1

Count to yourself by 10s, starting at 57. Write down

how far you've counted.

9.2 Adding and Subtracting Tens

Mental Math and ReflexesDictate the following numbers, one at a time. Children

should write it on their slates and circle the number in the tens place.

* 12 39 55** 80 101 122*** 440 591 999

Math Message Lesson 9.2Be ready to show how to use the number grid to solve these problems.

15+ 8 = ___ 32 - 6 = ___

24 + 10 =___ 28 - 10 = ___

9.3 Number-Grid Puzzles


*1 long, 8 cubes = ____ *1 long, 13 cubes ____ *4 longs ____

**6 longs, 18 cubes = ____ **7 longs, 20 cubes ____ **8 longs, 25 cubes ____

***1 flat, 4 cubes = ____ ***12 cubes ____***1 flat, 10 longs, 3 cubes ____

Math Message Lesson 9.3Fill in the missing numbers.

What we are doing today:·Number Grid Puzzle·Math Journal Page 181·Number Grid Game

For a challenge, ask Mrs. Blair about:·Solving Number Codes

9.4 Adding and Subtracting 2-Digit Numbers


*Is 17 closer to 10 or 20? Is 24 closer to 20 or 30?

**What multiple of 10 is closer to 33? To 68? To 86?

***Is 120 closer to 100 or 200? Is 175 closer to 100or 200?


Take out your animal cards. Look at the side that shows the animals length in inches. Which animal is the shortest? Which is the longest?

9.5 Exploring Capacity, Symmetry, and Heights

Mental Math and ReflexesWhat is the largest number you can make with these digits?

7, 2 _____ 4, 9 _____ 1, 9 _____

1, 5, 2 _____ 3, 3, 2 _____ 0, 9, 1 _____

9, 1, 2 _____ 4, 9, 9 _____ 9, 8, 1 _____


Pretend that these 3 containers are filled with popcorn. Which container would hold the most popcorn?

AB

C

9.6 Fractional Parts of the Whole

Mental Math and ReflexesSolve these number stories using coins, counters or draw pictures.

*Pam shared 20 pennies equally with her sister. How many pennies did each girl get?**Luis divided his fruit bar into 4 equal pieces so that he could share it with 3 of his friends. What fraction of the fruit bar did each child get?***Anne planted daisies in the garden. When they bloomed, there were 8 flowers. Four of the flowers were white. What fraction of the flowers were white.


Take a copy of Math Masters, page 267. Cut out each of the

squares.

9.7 Comparing Fractions

Mental Math and ReflexesTell these number stories. Have children write their answers on their slates.

*Rufus has 2 dogs. He has taken them for a walk in the rain and needs to clean all of their paws. How many paws will he need to clean altogether?

**Marnie is folding her family's laundry. She has 10 socks to fold. How many pairs of socks are there altogether?

***Teresa baked bread for her family. She has 16 family members that would each like to eat a sandwich. How many slices of bread will they need altogether?

Math Message Lesson 9.7 Take one copy of

Math Masters page 270. Write a fraction in each part of each fraction strip.

9.8 Many Names for Fractional Parts



Cut your fraction strips apart. Stack the like fractions in piles.

9.9 Progress Check

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