# Mental Math

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10 More 10 Less Matching Game
These cards should be copied double sided on cardstock or other thick paper so that the 10 More 10 Less Matching shows up on one side and the information on the other side. You can then cut out and laminate.

How to play:
You can use only 10 less cards, only 10 more cards, or mix them all together. These are 2 games/activities you can do with the cards.
1. The traditional matching game except their will be different ways to match since they’re 4 options for a given problem.
2. Find Your Match-Students are each given a card then walk around the classroom trying to find their match. When they find their group of 4 they sit. Check the answers as a class.

10 More 10 Less Worksheet
Review how to add and subtract a ten using base ten blocks.
Teach your students how to look at the tens place in a given number and add or subtract a ten. Students should have a strong understanding of place value before learning this concept. Model how to write a matching equation. Check for understanding using this worksheet.

100 More 100 Less
Roll Say Keep Game
The cards should be copied/printed double sided on cardstock or other thick paper so that the question shows up on one side and the answer on the other side. You can then cut apart and laminate for durability. Print the game board and laminate. You can make one copy for a center or multiple copies for whole class practice.

How to play:
2-4 players (I prefer 2 so students get more opportunity to practice.)
1. Students place a card in each of 6 spaces on the game board. Cards should be facing
with the question up. The rest of the cards should be kept in a draw pile on the side.
2. First player ROLLS the die, goes to the space that matches the number on the die, then
SAYS the problem and missing answer.
3. Player then flips card over to check their answer. If they answered correctly they
KEEP the card and puts a new one in the space on the game board for the next player.
If they get the answer incorrect they place the card at the bottom of draw pile and puts
a new one in the empty space on the game board.
4. Play continues until all cards are gone. Player with the most cards wins.
100 More 100 Less Worksheet
Teach your students how to look at the hundreds place and add or subtract a hundred. Students should have a strong understanding of place value before learning this concept. Check for understanding using this worksheet.

Mental Math Scoot
Students review how to mentally add and subtract 10 or 100 from a given number. Print task cards on cardstock or other heavy paper, cut apart, and laminate for durability.

How to play:
1. Place a task card on each student’s desk.
2. Give each student an answer sheet.
3. Ring a bell to signal students to answer question on their task card. They will write their answer on the number box that matches their task card number.
4. Then they will stand behind their chair when they’re finished.
5. Teacher will then ring the bell again to signal students to SCOOT to the next desk, sit and answer the new question. Repeat steps 4 and 5.
6. Play continues until students answer all cards or until teacher allotted time is up.
7. Correcting answers: Teacher can put answers on the board so student can self correct or work them out as a class.

Total Pages
28 pages
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\$5.00