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Common Core: Math
Subject: Math
33 Results

 Objective: Represent equal groups with tape diagrams, and relate to repeated addition.

 The module closes with questions such as, “What number is 10 less than 402?” and “What number is 100 more than 98?” As students have been counting up and down throughout the module, these three...

 Number disks make comparison of numbers very easy. More than and less than lead to the addition and subtraction in the next module. In Lesson 16, students compare using the symbols <, >, and =...

 In Topic E, students transition to the more abstract number disks that will be used through Grade 5 when modeling very large and very small numbers. The foundation has been carefully laid for this...

 Further building their place value understanding, students count by $1 bills up to $124, repeating the process done in Lesson 6 with bundles. Using bills, however, presents a new option. A set of 10...

 In Topic C, the teaching sequence opens with students counting on the place value chart by ones from 0 to 124, bundling larger units as possible (2.NBT.1a). Next, they represent various counts in...

 In Topic B, students practice counting by ones and skipcounting by tens and hundreds. They start off with simple counting by ones and tens from 90 to 124 and 124 to 220. They then count by ones,...

 When students gather on the carpet in a circle, the teacher pours out a box of 1000 straws. “How can we count these easily?” The students are led to suggest that bundles of 10 would make it much...

 Objective: Decompose arrays into rows and columns, and relate to repeated addition.

 Objective: Use math drawings to represent equal groups, and relate to repeated addition.

 Objective: Use math drawings to represent equal groups, and relate to repeated addition.

 Objective: Complete a pattern counting up and down.

 Objective: Model 1 more and 1 less, 10 more and 10 less, and 100 more and 100 less when changing the hundreds place.

 Objective: Model and use language to tell about 1 more and 1 less, 10 more and 10 less, and 100 more and 100 less.

 Objective: Order numbers in different forms.

 Objective: Compare two threedigit numbers using <, >, and = when there are more than 9 ones or 9 tens.

 Objective: Compare two threedigit numbers using <, >, and =.

 Objective: Explore a situation with more than 9 groups of ten.

 Objective: Model numbers with more than 9 ones or 9 tens; write in expanded, unit, standard, and word forms.

 Objective: Read and write numbers within 1,000 after modeling with place value disks.

 Objective: Change 10 ones for 1 ten, 10 tens for 1 hundred, and 10 hundreds for 1 thousand.

 Objective: Count the total value of ones, tens, and hundreds with place value disks.

 Objective: Explore $1,000. How many $10 bills can we change for a thousand dollar bill?

 Objective: Count from $10 to $1,000 on the place value chart and the empty number line.