Little Learners · Ages 5 to 7
Number Line Addition Jumps to 100
Add in tens and ones with jumps along a 0 to 100 number line. Five levels of printable practice with answer keys.
The learning journey
Every activity is one step. Here is where this one fits.
- PlayLearn the idea in a game
- Practise(you are here)Lock it in on paper
- ReviewCome back and keep it sharp
- MasterTake on a harder challenge
- AchieveEarn a certificate
About Number Line Addition Jumps to 100
The number line is where two-digit addition stops being a procedure and becomes a picture. A child who jumps 34 to 64 in one hop of ten tens, then counts on three more, can see why adding tens leaves the ones digit alone — and that is the insight column addition later depends on. Every question on this page draws the jumps above a labelled 0 to 100 line and prints the matching number sentence beside it, so the movement and the arithmetic arrive together rather than as two separate things to learn. The early levels use whole tens only, which is where the strategy is clearest. Later levels split each jump into tens and then ones, so the child performs the two-step method that makes mental addition fast. Every landing point is guaranteed to stay on the line, so no question ever runs past 100. Six number lines per page with room to work. Each level prints as a clean A4 sheet in black and white and downloads with its own separate answer key.
Common questions
- Why use a number line instead of column addition?
- The line makes it visible that adding tens leaves the ones digit alone — the insight column addition later depends on.
- How does the difficulty change?
- Early levels jump in whole tens. Later levels split each jump into tens and then ones, which is the two-step mental method.
- Can a jump go past 100?
- No. Every landing point is guaranteed to stay on the line.
- Is an answer key included?
- Yes. Every level downloads with its own separate answer key PDF.
A hand for grown-ups
- Before you start
- Have something countable nearby. Being able to check "3 and 2 really is 5" by counting builds trust in the maths.
- While they work
- If a sum is hard, suggest counting on from the bigger number rather than counting both from one. It is a real strategy, not a crutch.
- Afterwards
- Try one together out loud, talking through how you worked it out. Hearing an adult think aloud is genuinely useful.
- Watch out for
- Counting both numbers from one every time. Nudge gently towards "start at the bigger one and count on".
- Away from the screen
- Add up small shopping items, or dots on two dice. Board games with dice are addition practice in disguise.
Where to go next
Chosen by the skills this activity practises.