Math · Ages 5–7 · 12 minutes

Number Bonds to 20: Number-Line Hops

Open number lines show the distance from a known part to the whole, giving visual meaning to the missing number in a bond.

Student name

BrightPath

Name:
Date:

Today I am practising: using jumps to find a missing addend

Start at 7 and hop to 10. How many hops?

Start at 9 and hop to 14. Write 9 + ___ = 14.

Start at 12 and hop to 20. Mark hops in groups if you wish.

A line has 6 hops from 11 to a whole. What is the whole?

Start at 15 and hop to 18. Draw the hops and label the missing part.

Make a number-line hop problem with a whole no greater than 20 for an adult.

Grown-up note: Ask your learner to explain one answer in their own words.

For the grown-up

How to teach this page

Step 1Let the learner make one hop per count at first rather than jumping by larger chunks.
Step 2Read the start number, then point toward the whole before counting.
Step 3Connect the counted distance back to the blank in the equation.