What changed in the story?
Find a starting amount, a change, or a result.
6 practice questions Let’s explore →Grade 1 maths.
Discover the idea, experiment with a picture, then try it yourself. 35 authored lessons available.
The parts and the whole
Find the total or a missing part of one group.
5 practice questions Let’s explore →More, fewer, how many?
Compare two amounts and find the difference or a missing amount.
6 practice questions Let’s explore →Three groups, one total
Solve stories that join three groups, with totals up to twenty.
5 practice questions Let’s explore →Same groups, different order
Use a known addition fact in either order.
5 practice questions Let’s explore →Choose an easy pair
Group three addition parts in different ways.
5 practice questions Let’s explore →Subtraction finds a missing part
Use addition to understand a subtraction.
6 practice questions Let’s explore →One jump, one change
Connect counting forward and backward to addition and subtraction.
6 practice questions Let’s explore →Stop at ten
Make ten or subtract through ten to find an easier calculation.
8 practice questions Let’s explore →A double and a little extra
Use equal pairs to work out doubles and near doubles.
6 practice questions Let’s explore →Small facts, strong connections
Practice accurate addition and subtraction within ten.
10 practice questions Let’s explore →What does equals mean?
Decide whether both sides name the same value.
7 practice questions Let’s explore →A number in every place
Find the unknown in addition and subtraction equations.
8 practice questions Let’s explore →Beyond a hundred
Count from any starting number to 120 and write numbers for pictured amounts.
11 practice questions Let’s explore →Ten ones, one ten
Make bundles without changing how much you have.
5 practice questions Let’s explore →The digits have a job
Read tens and ones in teens, multiples of ten and other two-digit numbers.
9 practice questions Let’s explore →Tens first, then ones
Compare two-digit numbers and use greater-than, equal and less-than symbols.
8 practice questions Let’s explore →A few more ones
Add a one-digit number and notice when ten ones form a new ten.
6 practice questions Let’s explore →More whole tens
Add multiples of ten while keeping track of the ones.
6 practice questions Let’s explore →Build a new ten
Add two-digit numbers by joining tens and ones, and explain the regrouping.
6 practice questions Let’s explore →One ten changes everything
Find ten more or ten less without counting each one.
8 practice questions Let’s explore →Take away whole tens
Subtract multiples of ten and relate the bundles to the written calculation.
6 practice questions Let’s explore →Time for a discovery
Read analog clocks at the hour and half-hour, then write their digital times.
8 practice questions Let’s explore →Move the hands, make the time
Match a digital time by setting the hour and minute hands.
6 practice questions Let’s explore →A ribbon parade
Put three objects in order by their lengths.
5 practice questions Let’s explore →The middle ribbon clue
Compare two lengths by using a third object as a reference.
6 practice questions Let’s explore →One unit, then another
Measure a length with equal units placed end to end.
8 practice questions Let’s explore →The playground vote
Organize votes and read totals and differences from a picture graph.
8 practice questions Let’s explore →A triangle, every way round
Use defining features to recognize a triangle.
6 practice questions Let’s explore →Square corners tell a story
Recognize rectangles by their sides and corners, including squares.
6 practice questions Let’s explore →Build the defining features
Join segments to build triangles, rectangles and squares.
5 practice questions Let’s explore →Pieces make a new shape
Compose plane shapes by joining matching edges.
6 practice questions Let’s explore →Build it, then build again
Use composite shapes as pieces of another larger shape.
4 practice questions Let’s explore →Fair shares have equal area
Name halves and fourths in rectangles and circles, and recognize unequal pieces.
8 practice questions Let’s explore →More shares, smaller pieces
Connect halves and fourths to the whole and compare share sizes for the same whole.
6 practice questions Let’s explore →