Grade 2 - Math SD Week 2 (2024-2025)

What is the 5th number in the sequence starting from 287 and counting forwards?

• 292
• 291
• 290
• 293

Answer explanation

Starting from 287, the sequence is 287, 288, 289, 290, 291. The 5th number is 291

What is the 7th number in the sequence starting from 412 and counting backwards?

• 405
• 406
• 407
• 408

Answer explanation

Starting from 412, the sequence is 412, 411, 410, 409, 408, 407, 406. The 7th number is 407.

What is the 8th number in the sequence starting from 654 and counting forwards?

• 661
• 662
• 663
• 664

Answer explanation

Starting from 654, the sequence is 654, 655, 656, 657, 658, 659, 660, 661. The 8th number is 661.

What is the 10th number in the sequence starting from 823 and counting backwards?

• 814
• 813
• 812
• 811

Answer explanation

Starting from 823, the sequence is 823, 822, 821, 820, 819, 818, 817, 816, 815, 814. The 10th number is 813.

Find the missing number in the sequence: 145, 150, ____, 160, 165

• 155
• 154
• 156
• 157

Answer explanation

The sequence increases by 5. The missing number is 145 + 5 + 5 = 155.

Find the missing number in the sequence: 921, 915, ____, 903, 897

• 909
• 911
• 907
• 905

Answer explanation

The sequence decreases by 6. The missing number is 915 - 6 = 909, then 909 - 6 = 903.

What is ten more than 376?

• 386
• 366
• 396
• 356

Answer explanation

Adding 10 to 376 results in 376 + 10 = 386.

What is ten less than 842?

• 832
• 822
• 852
• 862

Answer explanation

Subtracting 10 from 842 results in 842 - 10 = 832.

Which of the following shapes has exactly 4 sides?

• Triangle
• Rectangle
• Circle
• Pentagon

Answer explanation

A rectangle has exactly 4 sides. A triangle has 3, a circle has 0, and a pentagon has 5.

In the figure below, how many triangles are embedded within the larger triangle?

• 2
• 3
• 4
• 5

Answer explanation

When counting all the smaller triangles within the larger triangle, there are 5 triangles in total (assuming a diagram with overlapping triangles).