Write addition sentences for arrays: sums to 10

Learning Objectives Identify rows in an array. Count the number of objects in each row. Understand that each row in an array has the same number of objects. Write a repeated addition sentence for an array based on its rows. Solve the addition sentence to find a total sum of 10 or less. Match an array to its correct addition sentence. Look at this yummy tray of cookies! 🍪 How can we count them in a super fast way? We will learn about arrays. Arrays help us see groups. This makes adding numbers quick and easy! Real-World Applications Counting eggs in a carton 🥚 Looking at window panes on a building 🏢 Arranging stickers on a page ✨ Planting seeds in a garden 🌱

TermDefinitionExample ArrayAn array is a set of objects arranged in neat rows and columns.A muffin tin with 2 rows of 3 muffins is an array. 🧁🧁🧁 🧁🧁🧁 RowA row is a line of things that goes from side to side. ↔️In a carton of 6 eggs, there are 2 rows with 3 eggs in each row. ColumnA column is a line of things that goes up and down. ↕️In a carton of 6 eggs, there are 3 columns with 2 eggs in each column. Addition SentenceAn addition sentence is a math problem that uses a plus sign (+) and an equal sign (=).The sentence '2 + 2 = 4' is an addition sentence. Repeated AdditionRepeated addition is adding the same number over and over again.For an array with 3 rows of 2 stars, the repeated addition is 2 + 2 + 2. SumThe sum is the total you get when you add numbers together. It&#039...

Row Addition Rule Items in Row 1 + Items in Row 2 + ... = Total Sum To find the total, we add the number of items from each row together. Equal Rows Rule Number of items in each row must be the same. In an array, every row has the exact same number of things. This is very important!