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Math · 2nd Grade
Arrays and Repeated Addition
Rows and columns — the picture that turns adding into multiplying.
How to use it
Arrange counters into equal rows. Ask for the two different number sentences.
Free · print-ready PDF · US Letter and A4
- Grade
- 2nd Grade
- Ages
- 7–8
- Subject
- Math
- Pages
- 1
The rest of the 2nd Grade wall
49 more posters, all free to print.
Counting by 2s2, 4, 6, 8, 10 … the pattern and where it shows up.Counting by 5s5, 10, 15, 20, 25 … the pattern and where it shows up.Counting by 10s10, 20, 30, 40, 50 … the pattern and where it shows up.Counting by 3s3, 6, 9, 12, 15 … the pattern and where it shows up.Counting by 4s4, 8, 12, 16, 20 … the pattern and where it shows up.Making PluralsMost words just take s.ContractionsTwo words squashed into one.Compound WordsTwo whole words joined to make a third.Adding -ed and -ingSometimes you just add it.The Prefixes un- and re-A prefix goes on the front and changes the meaning without changing the spelling of the root.Vowel TeamsTwo vowels walking together usually make one long sound — and it is normally the first vowel's name.Bossy RWhen r follows a vowel it takes over.Silent EAn e on the end says nothing itself, but it reaches back over one consonant and makes the vowel say its name.Place Value to HundredsHundreds, tens and ones with blocks, words and expanded form.Addition & Subtraction FactsA 0–12 grid plus the fact-family triangles that link + and −.Coins & MoneyEvery coin with its value, and how the coins swap for each other.Time to 5 MinutesA clock with all five-minute marks, plus quarter-past and quarter-to.Blends & DigraphsTwo-letter starts and the sh/ch/th/wh sounds, with an example each.Parts of SpeechNouns, verbs, adjectives and pronouns explained in kid language.Punctuation MarksSix marks with what each one tells your voice to do.Solid, Liquid, GasThe three states with particle pictures and everyday examples.Adding with RegroupingWhen the ones column goes over nine, ten of them become one ten.Subtracting with RegroupingWhen the top digit is too small, borrow a ten and break it into ones.Halves, Thirds and QuartersEqual parts — and why 'equal' is the word that matters most.Measuring LengthChoosing the right unit, and the rules that make a measurement trustworthy.Reading a GraphPicture graphs and bar graphs — and the four questions to ask of any of them.Common and Proper NounsWhich nouns get a capital letter, and which never do.Past and Present VerbsWhen it happened, and the irregular verbs that break every rule.Synonyms and AntonymsWords that mean the same, and words that mean the opposite.Food ChainsWho eats whom — and which way the arrows really point.HabitatsSix places animals live, and what each one provides.MagnetsWhat sticks, what does not, and the rule about poles.Weather ToolsThe five instruments, what each one measures, and its unit.Life Cycle of a ChickenEgg to chick to hen — 21 days from start to hatching.Maps and GlobesTwo ways of showing the world, and what each is good for.LandformsTen shapes the land makes, defined in one line each.Past, Present, FutureHow a timeline works, and where 'now' sits on it.Apostrophes That Show BelongingThe apostrophe that says something belongs to someone — and where it goes.Part, Part, WholeThe bar model that turns a word problem into a picture.Making Ten to AddThe mental trick that beats counting on fingers every time.Comparing Bigger NumbersCompare from the left, and stop at the first difference.am and pmTwo halves of the day, and the two moments that trip everyone up.Days in Each MonthThe knuckle trick, and the rule for February.Rocks and SoilWhere soil comes from, and the three kinds of rock.How Sound WorksVibration, travel, and why you cannot hear anything in space.My CommunityThe places in a town and what each one is for.Being a Good CitizenSix things that make a place better for everybody in it.Number Line to 100Rounding, jumping and estimating on a line marked only in tens.Saving and SpendingWhere money goes, and why waiting sometimes gets you more.