First Grade Everyday Math
Unit 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 Reflexes
Dictate the following numbers, one at a time. Children should write it
on their slates and circle the number in the tens place.
*
**
***
12
80
440
39
101
591
55
122
999
Math Message Lesson 9.2
Be ready to show how to use the number grid to solve these
problems.
15+ 8 = ___
24 + 10 =___
32 - 6 = ___
28 - 10 = ___
9.3 Number-Grid Puzzles
Mental Math and Reflexes
*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 9.3
Fill 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
Mental Math and Reflexes
*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?
Math Message Lesson 9.4
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 Reflexes
What is the largest number you can make with these digits?
4, 9 _____
1, 9 _____
1, 5, 2 _____
3, 3, 2 _____
0, 9, 1 _____
9, 1, 2 _____
4, 9, 9 _____
9, 8, 1 _____
7,
2 _____
Math Message Lesson 9.5
Pretend that these 3 containers are filled with popcorn. Which
container would hold the most popcorn?
B
A
C
9.6 Fractional Parts
of the Whole
Mental Math and Reflexes
Solve 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.
Math Message Lesson 9.6
Take a copy of
Math
Masters, page 267.
Cut out each of the
squares.
9.7 Comparing Fractions
Mental Math and Reflexes
Tell 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 t
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 Part
Mental Math and Reflexes
Math Message Lesson 9.8
Cut your fraction strips apart. Stack the like
fractions in piles.
9.9 Progress Check
Attachments