| Write True or False |
| The number 85764 rounded off to nearest hundreds is written as 85700. |
| Write True or False |
| Natural numbers are not closed under multiplication. |
| Write True or False |
| All the numbers which are divisible by 4 may not be divisible by 8. |
| Write True or False |
| All radii of a circle are equal. |
| Write True or False |
| A horizontal line and a vertical line always intersect at right angles. |
| Write True or False |
| The successor of the integer 1 is 0. |
| Arrange the following number in ascending order: |
| (a) 847, 9754, 8320, 571 |
| (b) 9801, 25751, 36501, 38802 A |
| Write the following numbers with appropriate sign: |
| (a) 100 m below sea level. |
| (b) \[25{}^\circ\]C above \[0{}^\circ C\] temperature. |
| (c) \[15{}^\circ C\]below \[0{}^\circ C\] temperature. |
| (d) five number less than 0. |
| Can we have two obtuse angles whose sum is: |
| (a) a reflex angle? Why or why not? |
| (b) a complete angle? Why or why not? |
| Consider the given figure and answer the questions: |
| (a) It is a curve? |
| (b) It is closed?. |
 |
| Which of the following will not represents zero? |
| (a) \[1+0\] |
| (b) \[0\,\,\times \,\,0\] |
| (c) \[\frac{0}{2}\] |
| (d) \[\frac{10-10}{2}\] |
| Subtract: |
| (a) \[35(20);\] |
| (b) \[72(90);\] |
| (c) \[(15);(18);\] |
| (d) \[\text{(}\,20)(13);\] |
| (e) \[23-(12);\] |
| (f) \[(32)-(40)\] |
| In the given figure: |
 |
| Which point in figure appears to be mid-points of the line segments? When you locate a mid-point. Name the two equal line segments formed by it |
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 |
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| Using divisibility tests, determine which of the following numbers are divisible by 4. |
| (a) 572 |
| (b) 726352 |
| (c) 5500 |
| (d) 6000 |
| (e) 12159 |
| (f) 14560 |
| Check whether the given fractions are equivalent: |
| (a) \[\frac{5}{9},\frac{30}{54}\] |
| (b) \[\frac{3}{10},\frac{12}{50}\] |
| (c) \[\frac{7}{13},\frac{5}{11}\] |
| Find the value of: |
| (a) \[(-7)+(-9)+4+16\] |
| (b) \[(37)+(-2)+(-65)+(-8)\] |
| Name the types of the following triangles: |
| (a) Triangle with lengths of sides 7 cm, 8 cm and 9 cm |
| (b) \[\Delta ABC\]with \[AB=8.7cm,\]AC = 7 cm and BC = 6 cm |
| (c) \[\Delta PQR\]such that PQ = QR = RP = 5 cm |
| (d) \[\Delta DEF\]with m\[\angle D\,\,=\,\,90{}^\circ \] |
| (e) \[\Delta XYZ\]with m\[\angle Y\,\,=\,\,90{}^\circ \]and XY = YZ |
| (f) \[\Delta LMN\]with mx\[\angle L\,\,=\,\,30{}^\circ ,\] \[\angle M\,\,=\,\,70{}^\circ ,\] m\[\angle N\,\,=\,\,80{}^\circ \] |
| (a) | Digit 7 is always at | Greatest | 9 | 8 | 6 | 7 |
| Ones place | Smallest | 1 | 0 | 2 | 7 | |
| (b) | Digit 4 is always a t | Greatest | 4 | |||
| Tens place | Smallest | 4 | ||||
| (c) | Digit 9 is always at | Greatest | 9 | |||
| Hundreds place | Smallest | 9 | ||||
| (d) | Digit 1 is always at | Greatest | 1 | |||
| Thousand place | Smallest | 1 |
| Draw a number line and answer the following: |
| (a) Which number will we reach if we move 4 numbers to the right of - 2? |
| (b) Which number will we reach if we move 5 numbers to the left to 1? |
| (c) If we are at - 8 on the number line, in which direction should we move for each - 13? |
| (d) If we are at - 6 on the number line, in which direction should we move for reach - 1? |
| Using the information given, name the right angles in each part Figure (a - h). |
(a) \[BA\,\bot \,BD\]  |
(b) \[BT\,\bot \,ST\]  |
(c) \[AC\,\bot \,BD\]  |
(d) \[RT\,\bot \,SW\]  |
(e) \[AC\,\bot \,BD\]  |
(f) \[AE\,\bot \,CE\]  |
(g) \[AC\,\bot \,CD\]  |
(h) \[OP\,\bot \,AB\]  |
| From the figure identify |
 |
| (a) the centre of circle; |
| (b) three radii; |
| (c) a diameter; |
| (d) a chord; |
| (e) two points in the interior; |
| (f) a point in the exterior; |
| (g) a sector; |
| (h) a segment |
| Find the product using suitable properties: |
| (a) \[738\,\,\times \,\,103\] |
| (b) \[854\,\,\times \,\,102\] |
| (c) \[258\,\,\times \,\,1008\] |
| (d) \[1005\,\,\times \,\,168\] |
| Express each of the following numbers as the sum of three odd primes? |
| (a) 21 |
| (b) 31 |
| (c) 53 |
| (d) 61 |
| Numbers | Number Name | Expansion |
| 3,99,000 | three lakh | \[3\,\times \,1,00,000\] |
| 3,50,000 | three lakh fifty thousand | \[3\,\times \,1,00,000+5\times 10,000\] |
| 3,53,500 | three lakh fifty three thousand five hundred | \[3\,\times \,1,00,0000\,+\,5\,\times \,10,000\,+\,3\times \,1,000\,+\,5\,\times \,100\] |
| 4,57,928 | (i) \[\_\_\_\_\_\_\_\_\] | \[\_\_\_\_\_\_\_\_\] |
| 4,07,928 | (ii) \[\_\_\_\_\_\_\_\_\] | \[\_\_\_\_\_\_\_\_\] |
| 4,00,829 | (iii) \[\_\_\_\_\_\_\_\_\] | \[\_\_\_\_\_\_\_\_\] |
| 4,00,029 | (iv) \[\_\_\_\_\_\_\_\_\] | \[\_\_\_\_\_\_\_\_\] |
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