LEARN · PRACTISE · DISCOVER

Take Away to Subtract

Read at your own pace. Try the practice, then continue your course.

Show subtraction by starting with a group, taking some away, and counting how many are left.

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THE CURIOSI · EXPLORE & TRY

Explore the picture together. Open each numbered card for a little help.

Look at each counter or step. Open the explanations to connect the picture and the equation.

1Start: 13

All thirteen counters, including crossed-out ones, show the starting amount.

2Take away: 5

Five counters are crossed out because they are removed.

3Left: 8

Count only those not crossed out: 13 − 5 = 8.

Count carefully and explain your steps. Use objects or fingers whenever they help.

Show how many remain after 13 − 5. Tap a box to add a counter; tap it again to remove it. Each frame holds ten.

0 counters selected.

Choose one answer for each question, then check. Practice results stay on this page and do not change course completion.

1. 13 − 5 = 9 7 8

2. Which calculation checks 12 − 4 = 8? 8 − 4 = 12 8 + 4 = 12 12 + 4 = 8

3. Nine blocks are in a box. Two are taken out. How many remain? 7 11 6

Read the answer explanations

Ask an adult to read the instructions with you. Use large safe counters or drawings; take a break whenever you need one.