A near double is a math fact that is close to a doubles fact. For example, 6+7 is considered a near double because it is close to the doubles fact 6+6. Near doubles could be doubles plus one facts, doubles plus two facts, or doubles minus one facts.
What is a near double in math?
A near double is a math fact that is close to a doubles fact. For example, 6+7 is considered a near double because it is close to the doubles fact 6+6.
How do you find the nearest doubles?
Near doubles could be doubles plus one facts, doubles plus two facts, or doubles minus one facts. Let’s take a look at the doubles fact 5+5. 5+6 would be the double plus one (5+5 plus one more). 5+7 would be the double plus two (5+5 plus two more). 5+4 would be the double minus one (5+5 subtract one).
What is 4+5 near doubles?
Near Doubles are those addends that are almost a double fact. So, 4+5 is very close to 4+4. Students can easily recall that the double fact for 4+4=8 and by adding one more, they quickly know that 4+5=9.
What is a near-double?
Nn near doubles • a double (or 2x) plus 1. • used as a strategy to make calculations easier. EXAMPLES: © Jenny Eather 2014. All rights reserved.
How do you use near doubles?
1:042:43Near-Doubles Strategy for Addition - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd so on how do you use it to use a near double strategy use the double fact and add 1 if we want 6MoreAnd so on how do you use it to use a near double strategy use the double fact and add 1 if we want 6 plus 7. We think of 7 as 6 + 1 so we double 6 get 12 and add 1 to get 13.
How do you use near doubles to subtract?
0:041:02G1 - 4-3 Use Doubles to Subtract - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf we take away six dots how many dots are left on the domino. We can also use a doubles fact toMoreIf we take away six dots how many dots are left on the domino. We can also use a doubles fact to help us subtract. Think six plus six equals twelve.
What is the doubles strategy in math?
The Using Doubles strategy involves decomposing one addend to make a double with the other addend. For example 7 + 8 is the same as 7 + 7 plus 1 more. Double ten frames are great for exploring the strategy. Have students build each addend on a different ten frame using two-color counters.
How does knowing Double facts help you with solving near doubles facts?
2:207:06Using Doubles Fact to Solve Near Doubles Facts - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou're right it's two plus two if I choose that number a doubles fact would mean both numbers I'mMoreYou're right it's two plus two if I choose that number a doubles fact would mean both numbers I'm adding are the same. Number. So thinking about this I know that two plus two is four.
What are doubles and near doubles?
Doubles are the addends that are exactly the same. These are addition facts that second graders need to know to add within 20. Near Doubles are those addends that are almost a double fact. So, 4+5 is very close to 4+4.
How is a near double fact different from a double fact?
A near double is a math fact that is close to a doubles fact. For example, 6+7 is considered a near double because it is close to the doubles fact 6+6. Near doubles could be doubles plus one facts, doubles plus two facts, or doubles minus one facts.
What is the double of 12?
24Double of 12 = 12 + 12 = 24.
Why do we teach adding doubles?
A math double is a simple addition process that many children learn in the first grade. Teaching these doubles to children helps them perform more quickly in math and prepares them for harder math in the future. Learning doubles is largely a matter of memorizing the answers, and many methods are available.
How do you teach Doubles Year 2?
0:372:16Easy Ways to Teach Doubling - YouTubeYouTubeStart of suggested clipEnd of suggested clipAs an extra challenge can children have a go at writing a doubling number sentence. You can exploreMoreAs an extra challenge can children have a go at writing a doubling number sentence. You can explore these number cards with children. You can lay them out on the table what patterns can children spot.
How do you explain doubling to a child?
0:054:49Year 1 Maths doubling lesson - YouTubeYouTubeStart of suggested clipEnd of suggested clipSaw is doubling well to double means to have the same amount again. So if I have a number and I haveMoreSaw is doubling well to double means to have the same amount again. So if I have a number and I have the same number onto itself again that's doubling. So imagine I've got two bananas.
How do you explain double to a child?
0:011:54Doubles Facts. Grade 1 - YouTubeYouTubeStart of suggested clipEnd of suggested clip1 plus 1 equals. Two two plus two equals. Four three plus three equals. Six four plus four equals.More1 plus 1 equals. Two two plus two equals. Four three plus three equals. Six four plus four equals. Eight five plus five equals.
How do you introduce doubles in kindergarten?
0:142:38Tricks for Teaching Kids Double Facts : Early Education - YouTubeYouTubeStart of suggested clipEnd of suggested clipI'll give each kid a mirror and they have to hold up a number with their fingers. Into the mirror.MoreI'll give each kid a mirror and they have to hold up a number with their fingers. Into the mirror. Well. Right away they just doubled it with their friend and the mirror.
How do you teach doubles plus one strategy?
0:393:13Doubles Plus 1 and Doubles Minus 1. Grade 1 - YouTubeYouTubeStart of suggested clipEnd of suggested clipFirst we need six plus seven which is one more. So we add one we add one to our doubles.MoreFirst we need six plus seven which is one more. So we add one we add one to our doubles.
What is the making 10 strategy in math?
1:213:36Make 10 Strategy for Addition - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe took the two from the four and made it into a complete 10 frame. The first part of the bond. ThenMoreWe took the two from the four and made it into a complete 10 frame. The first part of the bond. Then is 2 for these 2 came over to make the complete 10 frame.
What are the addition strategies?
Use the ones that make sense to you!Count From A Number Upwards. Example: 6 + 3. ... Jump Strategy. ... Adding Up To Ten. ... Do The Tens Last. ... Aim for Ten. ... Compensation Method. ... Double when the numbers are the same. ... Double if the numbers are close, then fix.More items...
How do you win at doubles in tennis?
Tennis Doubles StrategyAlways Meet with Your Partner After the Point. ... Look to Dominate the Right Parts of the Court. ... Take Control with the Serve. ... Focus on Serve Percentage Over Power. ... Work as a Team to Cover the Angles. ... Make Your Opponents Uncomfortable. ... Practice the Return. ... Takeaways.
What is Near Doubles?
What is adding Doubles in Second grade math? Adding doubles is a math fact memorization technique. It is easier for kids to remember that 2+2=4, 6+6=12, 7+7=14, 9+9=18, etc. Doubles are the addends that are exactly the same. These are addition facts that second graders need to know to add within 20.
Hands-On Math for Second Grade: Adding Near Doubles
We created a hands-on math activity using the doubles and Near Doubles addition facts with a spider theme. It’s an easy and quick activity to set up, that will help second graders realize how to quickly figure out more addition facts quite easily. This is a math skill appropriate for Common Core Standards CCSS 2.0A.1 and CCSS 2.0A.2.
Spider Theme Activities
If you are looking for more Spider-Themed Activities, the 2nd grade blogging team has got you covered! Check out these awesome spider activities!
What is the near doubles strategy?
We use this strategy when adding two consecutive numbers, in other words two numbers that follow each other. This is where students use their knowledge of doubles to work out the answer. For example, the problem might be 5 + 6 =
What is the same as 5 + 5 + 1?
This is the same as 5 + 5 + 1 = 11 or 6 + 6 – 1 = 11.
How to get double of a number?
To get a double of a number, we add the same number to itself. For example, double of 2 is 2 + 2 = 4.
What is the double of 7?
We already know the double of 7 is 14.
What is the required sum of 2 + 3?
Example: 2 + 3. The number 3 is one more than 2. So, we can write 3 as 2 + 1. So, the addition 2 + 3 can be shown as: We already know the double of 2 is 4. So, the required sum is one more than double. That is 5. Therefore, 2 + 3 = 5.
Is 2 + 3 the same as 3 + 2?
Since 2 + 3 is the same as 3 + 2, we can apply any of the near doubles strategies to find the sum.
Is it easy to remember the numbers that we get by doubling one digit numbers?
It is easy to remember the numbers that we get by doubling one-digit numbers.
