adding
answers
addition
and sometimes it is necessary to compose or decompose tens or hundreds.
4. Fluently add and subtract multi-digit whole numbers using the standard algorithm.
3. Solve multistep word problems posed with whole numbers and having whole-number answers using the
Activity
and/or
3. Use place value understanding to round multi-digit whole numbers to any place.
5. Fluently add and subtract within 5.
5. Use addition and subtraction within 100 to solve word problems involving lengths that are given i
5. Apply properties of operations as strategies to multiply and divide.2 Examples: If 6 × 4 = 2
1–100
algorithm.
Commutative
2. Fluently add and subtract within 1000 using strategies and algorithms based on place value, prope
5. Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-di
4. Determine the unknown whole number in a multiplication or division equation relating three whole
1–100.
algorithms
such
4. Find all factor pairs for a whole number in the range 1–100. Recognize that a whole number is a m
6. Find whole-number quotients and remainders with up to four-digit dividends and one-digit divisors
relate the strategy to a written method. Understand that in adding or subtracting three-digit numbe
÷
adds
Associative
3. Use multiplication and division within 100 to solve word problems in situations involving equal g
6. Add up to four two-digit numbers using strategies based on place value and properties of operatio
1. Use place value understanding to round whole numbers to the nearest 10 or 100.
10–90
allows
100–900
5. Fluently add and subtract within 100 using strategies based on place value, properties of operati
6. Understand division as an unknown-factor problem. For example, find 32 ÷ 8 by finding the nu
1. Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in
100–900.
Activities
Distributive
3. Multiply one-digit whole numbers by multiples of 10 in the range 10–90 (e.g., 9 × 80, 5
1. Use addition and subtraction within 100 to solve one- and two-step word problems involving situat
6. Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points cor
×
advanced
basic
2. Interpret whole-number quotients of whole numbers, e.g., interpret 56 ÷ 8 as the number of o
2. Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory
7. Add and subtract within 1000, using concrete models or drawings and strategies based on place val
#adding
#answers
#addition
#andsometimesitisnecessarytocomposeordecomposetensorhundreds.
#4.Fluentlyaddandsubtractmulti-digitwholenumbersusingthestandardalgorithm.
#3.Solvemultistepwordproblemsposedwithwholenumbersandhavingwhole-numberanswersusingthe
#Activity
#and/or
#3.Useplacevalueunderstandingtoroundmulti-digitwholenumberstoanyplace.
#5.Fluentlyaddandsubtractwithin5.
#5.Useadditionandsubtractionwithin100tosolvewordproblemsinvolvinglengthsthataregiveni
#5.Applypropertiesofoperationsasstrategiestomultiplyanddivide.2Examples:If6&215;4=2
#1–100
#algorithm.
#Commutative
#2.Fluentlyaddandsubtractwithin1000usingstrategiesandalgorithmsbasedonplacevalue,prope
#5.Multiplyawholenumberofuptofourdigitsbyaone-digitwholenumber,andmultiplytwotwo-di
#4.Determinetheunknownwholenumberinamultiplicationordivisionequationrelatingthreewhole
#1–100.
#algorithms
#such
#4.Findallfactorpairsforawholenumberintherange1–100.Recognizethatawholenumberisam
#6.Findwhole-numberquotientsandremainderswithuptofour-digitdividendsandone-digitdivisors
#relatethestrategytoawrittenmethod.Understandthatinaddingorsubtractingthree-digitnumbe
#&247;
#adds
#Associative
#3.Usemultiplicationanddivisionwithin100tosolvewordproblemsinsituationsinvolvingequalg
#6.Adduptofourtwo-digitnumbersusingstrategiesbasedonplacevalueandpropertiesofoperatio
#1.Useplacevalueunderstandingtoroundwholenumberstothenearest10or100.
#10–90
#allows
#100–900
#5.Fluentlyaddandsubtractwithin100usingstrategiesbasedonplacevalue,propertiesofoperati
#6.Understanddivisionasanunknown-factorproblem.Forexample,find32&247;8byfindingthenu
#1.Interpretproductsofwholenumbers,e.g.,interpret5&215;7asthetotalnumberofobjectsin
#100–900.
#Activities
#Distributive
#3.Multiplyone-digitwholenumbersbymultiplesof10intherange10–90(e.g.,9&215;80,5&21
#1.Useadditionandsubtractionwithin100tosolveone-andtwo-stepwordproblemsinvolvingsituat
#6.Representwholenumbersaslengthsfrom0onanumberlinediagramwithequallyspacedpointscor
#&215;
#advanced
#basic
#2.Interpretwhole-numberquotientsofwholenumbers,e.g.,interpret56&247;8asthenumberofo
#2.Fluentlyaddandsubtractwithin20usingmentalstrategies.ByendofGrade2,knowfrommemory
#7.Addandsubtractwithin1000,usingconcretemodelsordrawingsandstrategiesbasedonplaceval