Grade
1

How Many Are Hidden? Bashful Beads

What do you notice? How many beads do you see?

A number rack with 10 beads on the left. First, 5 red beads then 5 white.

Some beads are hidden behind the screen below. How many are hidden?
Use math words, numbers, or pictures to show how you know.

A number rack showing 8 beads on the left. First, 5 red beads then 3 white. Some more beads are covered.

Which equations match the picture? How do you know?

A number rack showing 8 beads next to 2 beads. Equation options: 10 = 3 + 7, 8 + 2 = 10, 10 minus 2 = 8, and 10 minus 4 = 6.

Use the Number Rack app or draw a picture to show a different number of hidden beads. How many are hidden?