A dusk canyon, a copper sled, and a dusk-plum pack racing for the mesa. An integer sum such as −6 + 14 sits above the wash. Tap the clay marker that is the true total. A correct glide surges you up the gorge. A miss lets the pack close in and costs a grip. First to the mesa wins. Built for seventh-grade integer addition.
Read the Sum
The plaque shows an integer addition. Example: −6 + 14. Negative six plus fourteen is eight.
Tap That Marker
Three clay markers sit in the wash. Each shows a candidate total. Tap the true sum. Keys 1, 2, and 3 also work.
Watch the Race
A correct tap surges your sled toward the mesa. A miss lets the pack gain a marker and costs one grip.
Claim the Mesa
First to the last marker wins. If the pack arrives first or your grips run out, the race ends. Chase a new best on Easy, Medium, or Hard.
Race the Wash
You and the pack share an eight-marker gorge. Correct sums send the copper sled toward the mesa. Misses advance the pack.
Add the Signs
Every prompt is integer addition. Easy mixes one positive and one negative up to 9. Medium uses both signs to 20. Hard uses larger addends and sometimes three numbers.
Three Clay Markers
One marker is the sum. The others are common slips: dropping a sign, adding absolute values, or flipping to subtraction.
Three Grips
Three misses empty your grips. Reach the mesa first to win. Best league scores save per difficulty.
Gorge Glide is a seventh-grade integer addition race. A dusk canyon holds a copper sled and a rival pack. An addition of positive and negative integers sits above the wash. The player taps the clay marker that equals the sum. Correct glides move you toward a mesa. Wrong glides move the pack and cost a grip. The goal is to reach the mesa first.
Signs Stay Visible
Negatives sit in parentheses when they are the second addend. Students see −6 + (−4) as two directed amounts, not a subtraction worksheet.
Decoys Match Real Slips
Wrong markers are the absolute-value sum, the sign flip, or a minus instead of a plus. That is the same error pattern as paper integer work.
Instant Heat
A wrong tap flashes and the pack moves at once. There is no full-page check after every item.
Touch First
Markers are large. Play sits under the gorge, not on the riders.
The clay marker that equals the sum of the integers on the plaque. Example: −8 + 5 is −3.
Add the magnitudes and keep the negative sign. (−7) + (−4) is −11. That total is the marker you want.
That is a miss. |−6| + |14| is 20, but −6 + 14 is 8. The pack gains a marker.
The size of the addends and whether a third integer appears. The tap-the-sum rule stays the same.
Sixth through eighth grade (about ages 11–14), when students add positive and negative integers. Stay on Easy for mixed signs within 9.
−6 + 14
Tap the sum on the wash
Mixed signs. Numbers to 9.