A PowerPoint providing a series of warm-up activities for Grade 2 students across the mathematics curriculum.

This teaching resource is an interactive PowerPoint which provides a series of mathematical warm-up activities that cover areas across the curriculum. You can do these quick activities to help warm up for a particular focus lesson, or use them to break up the day to keep students fresh for learning. Some activities supply instructions for interactive games and other are interactive templates which you can display on your classroom whiteboard with a projector.

Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.

Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.

Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:

Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

Measure the length of an object twice, using length units of different lengths for the two measurements; describe how the two measurements relate to the size of the unit chosen.

Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, ..., and represent whole-number sums and differences within 100 on a number line diagram.

Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately. Example: If you have 2 dimes and 3 pennies, how many cents do you have?

Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems1 using information presented in a bar graph.

Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of id...

Use concrete and pictorial models to compose and
decompose numbers up to 1,200 in more than one way as a sum of so many thousands, hundreds, tens, and ones;

Add up to
four two-digit numbers and subtract two-digit numbers using mental strategies
and algorithms based on knowledge of place value and properties of operations;

Classify and sort three-dimensional
solids, including spheres, cones, cylinders, rectangular prisms (including cubes as special
rectangular prisms), and triangular prisms, based on attributes
using formal geometric language;

Decompose two-dimensional shapes such
as cutting out a square from a rectangle,
dividing a shape in half, or partitioning a rectangle into identical
triangles and identify the resulting geometric parts.

Use concrete models
of square units to find the area of a rectangle by covering it with no gaps or overlaps,
counting to find the total number of square units, and describing the measurement
using a number and the unit; and

Write
and solve one-step word problems involving addition or subtraction using data
represented within pictographs and bar graphs with intervals of one;
and

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