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Addition Games Worksheet

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Addition Games Worksheet

Isla, Ruben and Aisha are helping prepare a history museum’s activity day. Play each game to solve addition puzzles. Show a strategy when asked; you might split numbers by place value, make a friendly number or use a number line.

Game 1: Make a Friendly Number

Add each pair. Try making the first number a tidy ten or hundred, then adjust. For example, 38 + 27 can become 40 + 25.

1.The museum has 38 shell artefacts and receives 27 more. What is the new total? Show how you made a friendly number.

2.Ruben’s game card says 496 + 208. Choose the correct total.

3.A visitors’ group collected 175 entry tokens in the morning and 268 in the afternoon. Use the number line to find the total. You may jump by hundreds, tens and ones.

Game 2: Addition Bingo

Solve each call-out. If you were making a bingo card, these answers could be your squares. Check your addition by estimating first.

390

425

517

608

735

846

529

671

902

4.Bingo call-out A: 248 + 177 = ?

5.Bingo call-out B: 369 + 239 = ?

6.Bingo call-out C: 476 + 259 = ?

7.Bingo call-out D: 328 + 189 = ?

8.Bingo call-out E: 329 + 200 = ?

Game 3: Place-Value Builder

Use hundreds, tens and ones to solve the museum’s bigger addition challenges. Remember to regroup when a place-value column totals 10 or more.

9.A display has 347 pottery pieces and 286 woven items. Calculate the total and explain one regrouping step.

10.Aisha says 528 + 194 = 612. Is she correct? Find the correct sum and identify a plausible place-value or addition error that could have led to her answer.

11.Create a museum-themed addition challenge using two numbers between 100 and 999. Write the equation and solve it. Check your answer by adding in a different order or strategy.

12.Which strategy helped you most in these games: making a friendly number, jumping on a number line, or regrouping by place value? Give one example from the worksheet.