Vocabulary
decompose means
to break down
round to the nearest 10
376
380
even + odd =
odd
Rewrite this equation as an addition problem
836-273=x
273+x=836
What is a personal narrative?
A story that tells something that actually happened to you
flip flop method is
You can switch the order of an addition equation and still get the same sum
round to the nearest 10 and the nearest 100
635
640 and 600
which addends would you group together?
374+372+276
Add 374 + 276 first
Solve by decomposition
786-282
504
Is the following an addition or subtraction problem? What is the key word that helped you understand?
Enrique read 249 pages of his book in June and 227 pages of his book in July. How many pages did he read in total?
Addition. Key word is total
A compatible number is
a number that is close to the actual number and easy to work with
round to the nearest 10 and represent this number in expanded form
253
200+50+3
sum = 511. Show work
Solve by adjusting
779-363
Write the difference in standard form
416
the four parts of a complete sentence are
telling part
start the sentence with a capital letter
punctuation
grouping means
In an addition problem, you first add the two numbers that make a 10. It made the rest of the problem easier to solve
Dina rounds 370 to the nearest 10 and 100. She for 380 and 400. Is she correct with both numbers? Explain why or why not
If she is rounding to 10s, she must round down. 370 stays 370. She is incorrect
If she is rounding to 100s, she must round up. 370 becomes 400. She is correct
Solve 263 + 377 by adjusting
640. show work
At the airport, there are 497 passengers and 632 luggage. How many more luggage are there than passengers?
Solve and tell me what is the key word that tells you this is a subtraction problem
135
DOUBLE JEOPARDY
Solve the following problem. Show all your work
Enrique read 249 pages of his book in June and 227 pages of his book in July. The book has a total of 638 pages. Enrique wants to know how many pages he has left to read.
162
expanded form is
When you represent a number as a sum of each place value
DOUBLE JEOPARDY!!
which of the following round to 230
330
228
234
240
228 and 234
Solve 284+332 by method of your choice. Write the sum in word form
six hundred sixteen. show work
Solve by decomposition
249-117
Write the difference in expanded form
100+30+2
Solve the following 2 step problem:
Judy had 323 beads. Sarah has 142 more beads than Judy. How many beads do they have all together?
323+142=465
323+465=788