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9.3 Number Grid Puzzles
Objective: To reinforce counting, adding, and subtracting with 10s and 1s using the numbergrid patterns.
Math Journal 2----- 180, 181, (and 137 for Make My Design)
Math Masters pages 258, 259, 260, 261, 305
slate
base-10 blocks
1 folder per partnership
scissors
pattern-blocks
3" X 3" sticky notes
Number-Grid Poster
Home Link 9.3 Math Master page 260
clip art licensed through
www.graphicsfactory.com
Mental Math and Reflexes
Look at the base-10 blocks and write the numbers on your slate.
1
2
Write the number.
Circle the number
in the ten's place.
4
Write the
number.
Circle the
number in the
one's place.
7
Write the
number. Circle
the number in
the one's place.
Write the number.
Circle the number
in the ten's place.
5
Write the
number.
Circle the
number in the
one's place.
8
Write the
number.
Circle the
number in the
one's place.
3
Write the
number. Circle
the number in
the one's place.
6
Write the
number.
Circle the
number in the
one's place.
9
Write the
number.
Circle the
number in
the one's
place.
Math Masters, page 258
Number Grid Pieces
Take a quarter sheet of paper.
Fill in the missing numbers.
Home Link Follow-Up: Share strategies for solving the problems.
Cover portions of the number grid
with the T and L. Discuss which
numbers are missing.
Solving Number-Grid Puzzles
Math Journal 2, page 180 and Activity Sheet 15
Make My Design, Math Journal Page 137
Materials: pattern blocks, folder
2 players
Object of the game: To create a design identical to the other player's design.
Directions:
1. The first player chooses 6 blocks.
The second player gathers the same 6 blocks.
2. Players site face-to-fact with a folder between them.
3. The first player creates a design with the blocks.
4. Using only words, the first player tells the second player how to "Make My
Design."
The second player can ask questions about the instructions.
5. Players remove the folder and look at the two designs.
Players discuss how closely the designs match.
6. Players change roles and play again.
Math Boxes 9.3
Playing Pin the Number on the Number Grid
Blindfolded,
try to touch
the selected
number.
Listen to our hints!
TG Page 757
·Solving Number Codes
·Math masters, Page 162 and Math Journal 2,
Activity Sheet 15 or inside back cover
Use the arrows
to show the following:
= - 10
= + 10
=+1
=-1
Good work!